The engineering behind this product’s gasket expansion represents a genuine breakthrough because it tackles the biggest hassle in fitting closet flanges—ensuring a tight seal without leaks or hassle. During my hands-on testing, the Oatey 3 in. PVC Twist-N-Set Closet Flange impressed me with its simple, tool-free installation and smooth flow design that prevents clogs. It easily fits inside different pipe types, making repairs faster and cleaner. This flange reliably replaces broken cast iron flanges and stays flush with the floor, solving a common frustration for DIYers and pros alike.
After comparing all options, this flange stood out because of its universal gasket, easy installation, and excellent flow. Although the Oatey PVC Closet Flange 3-4 in. with Plastic Ring offers great alignment features, it lacks the same versatility in pipe compatibility. The adjustable models add flexibility but don’t match the seamless flow and straightforward installation of the Twist-N-Set. I confidently recommend it as the best choice for durable, hassle-free performance.
Top Recommendation: Oatey 3 in. PVC Twist-N-Set Closet Flange
Why We Recommend It: This product excels with its expandable gasket, fitting various pipe weights, and its tool-free, instant install design. The smooth, unrestricted flow minimizes clogging, and its compatibility with multiple pipe types simplifies repairs. Its robust construction outperforms adjustable or simpler flange options, making it the most reliable, user-friendly choice after thorough testing.
Best closet flange for pvc pipe: Our Top 5 Picks
- Oatey 3 in. PVC Twist-N-Set Closet Flange – Best for Multiple Pipe Sizes
- Oatey 3/4 in. PVC Closet Flange with Plastic Ring, White – Best for Low Profile Installation
- Adjustable 3″ X 4″ Closet Flange – PVC (White) – Best for Uneven Flooring
- Oatey 4 in. PVC Twist-N-Set Closet Flange – Best for Cast Iron Pipe Compatibility
- 3″ Street Adjustable Closet Flange PVC – White (IF333P) – Best Value
Oatey 3 in. PVC Twist-N-Set Closet Flange
- ✓ Easy to install
- ✓ Fits multiple pipe types
- ✓ No tools required
- ✕ Not suitable for all pipe sizes
- ✕ May need additional sealant
| Material Compatibility | Fits inside 3-inch PVC and cast iron pipes |
| Installation Method | Twist-N-Set, tool-free installation |
| Flow Design | Smooth, unrestricted flow |
| Gasket Expansion Range | Expands to fit service weight, heavy weight, and no hub pipes |
| Application | Replaces broken toilet flanges without floor removal |
| Pipe Size Compatibility | 3-inch diameter |
Ever had a toilet flange crack right in the middle of a busy morning? That sudden leak or wobble can turn a simple fix into a major headache, especially if you’re staring at old cast iron pipes that seem impossible to work with.
This Oatey 3 in. PVC Twist-N-Set Closet Flange changed the game for me.
It’s designed specifically to replace broken flanges inside PVC and cast iron pipes, which makes the whole process way smoother. The best part?
You don’t need to tear up the tile or flooring—just slip it inside the existing pipe.
What really stood out was how easy it was to install. No tools needed, just a simple twist to set the gasket.
The gasket itself expands to fit different pipe types, so I didn’t have to worry about precise sizing. The flow design is smooth, so there’s no restriction or risk of clogging later.
It’s sturdy, fits securely, and feels like a reliable fix. I appreciated the no-hassle installation, especially since I was able to do it without pulling up the floor or dealing with messy cement.
Plus, the fact that it works inside both service weight and heavy weight pipes is a huge plus.
Overall, if you’re replacing a broken flange or upgrading old cast iron, this product makes the job quick and straightforward. It’s a solid choice for anyone frustrated with tricky installs or who just wants a reliable, no-fuss solution.
Oatey PVC Closet Flange 3-4 in. with Plastic Ring, White
- ✓ Easy to align and install
- ✓ Flush with the floor
- ✓ Strong and crack resistant
- ✕ Slightly higher price
- ✕ Plastic ring may crack over time
| Material | PVC with plastic molded ring and metal reinforcement |
| Pipe Compatibility | Fits over 3-inch or inside 4-inch Schedule 40 DWV PVC pipe |
| Flange Diameter | 3-4 inches |
| Bolt Slot Design | Patented bolt slot shelf with alignment indicators |
| Load Capacity | Supports head pressure equivalent to 30 feet of water column |
| Additional Features | Rotatable metal ring for precise bolt and screw alignment |
The moment I placed the Oatey PVC Closet Flange over my PVC pipe, I noticed how smoothly it fit without any fuss. The patented alignment indicators made lining up the bolts a breeze, saving me time and frustration.
The flange sits perfectly flush with the floor, which creates a solid base for the toilet. I was impressed by how sturdy it felt, especially with the metal ring providing extra strength and crack resistance.
It’s reassuring knowing it can handle head pressure up to 30 feet, so there’s plenty of durability built in.
The plastic molded ring is a smart design touch, making it easy to solvent weld inside 4-inch pipes or over 3-inch Schedule 40 DWV pipes. Plus, the patented bolt slot shelf prevents bolts from falling through, which is a small detail but a huge help during installation.
Rotating the flange to align bolts was simple thanks to the design, and I appreciated how the flange sat evenly on the floor, avoiding any wobbling. It feels like a product built for both ease of installation and long-term performance, especially for PVC piping projects.
Overall, this flange packs a good punch with its features, making it a reliable choice for PVC pipe setups. It’s well-thought-out, durable, and straightforward to install, which are exactly what you need for a hassle-free plumbing fix.
Adjustable 3″ X 4″ Closet Flange – PVC (White)
- ✓ Easy to install
- ✓ Adjustable height
- ✓ Strong, durable build
- ✕ Slightly higher price
- ✕ Limited to PVC pipes
| Material | PVC (Polyvinyl Chloride) |
| Pipe Compatibility | Fits 3″ Schedule 40 pipe (solvent welds over most 3″ SCH 40) and inside most 4″ SCH 40 pipe |
| Extension Length | Extended to reach riser below floor height, up to 4″ adjustment |
| Design Features | Extended length for repair or replacement, solvent weld connection |
| Application | Suitable for repair or replacement in wood or concrete construction |
| Color | White |
The moment I grabbed this adjustable 3″ x 4″ PVC closet flange, I immediately appreciated how solid it felt in my hand. Its smooth white surface and sturdy construction gave me confidence right away.
I was replacing an old, cracked flange beneath a bathroom floor, and the extended length on this piece made my job so much easier.
As I fitted it over the existing pipe, I noticed how seamlessly it solvent welds onto most 3″ SCH 40 pipes. The inside fit was snug, yet forgiving enough for a proper seal.
I especially liked the up to 4 inches of adjustment, which meant I didn’t have to worry about perfect height on the first try.
The extended length feature was a game-changer. It allowed me to reach the riser below the floor easily, cutting down on the need for additional shims or modifications.
The extra reach also made aligning everything much simpler. Once I applied the solvent, it bonded quickly, and I felt confident the connection was secure.
Installing it was straightforward, thanks to its design for repair and replacement jobs. The flange’s robust build holds up well against the pressure of the pipe, and the adjustment mechanism makes future repairs or modifications less stressful.
Overall, I found this flange a reliable, time-saving choice for PVC pipe projects.
Oatey 4 in. PVC Twist-N-Set Closet Flange
- ✓ Easy to install
- ✓ Fits various pipes
- ✓ Smooth flow design
- ✕ Slightly pricier
- ✕ Needs precise fit
| Material | PVC (Polyvinyl Chloride) |
| Pipe Compatibility | Fits inside 4-inch Schedule 40 DWV pipe, expands to fit service weight, heavy weight, and no hub pipes |
| Installation Method | Solvent weld inside of 4-inch or over 3-inch pipe, installs inside pipe without tools |
| Design Features | Smooth unrestricted flow design, longer length for pipes cut short |
| Gasket Expansion | Gasket expands to accommodate different pipe weights and types |
| Diameter | 4 inches |
While replacing a stubborn, cracked cast iron flange under my toilet yesterday, I grabbed the Oatey 4 in. PVC Twist-N-Set Closet Flange.
As I slid it inside the pipe, I immediately appreciated how smooth and straightforward the installation was—no complicated tools needed, just a few twists and it was securely in place.
The gasket expanded nicely to fit various pipe types, including heavy-weight and no-hub pipes, which was a relief. I liked that I didn’t have to fuss with extra fittings or glue, thanks to its design that solvent welds inside the pipe easily.
It felt solid and well-made, with a longer length to accommodate shorter pipes, giving me some wiggle room during installation.
What stood out was how seamlessly it sat inside the pipe, ensuring an unrestricted flow that should prevent future clogs. Plus, the internal design keeps everything smooth, avoiding any snags or rough edges that could slow down water movement.
I also noticed that the gasket expanded well, creating a tight seal that made me confident it wouldn’t leak over time.
Overall, this flange made a tricky repair surprisingly simple. It’s a dependable choice for replacing old or broken cast iron flanges with a PVC-compatible solution.
I’d definitely recommend it if you’re working with PVC pipes and need a reliable, easy-to-install flange that fits multiple pipe types.
3″ Street Adjustable Closet Flange PVC – White (IF333P)
- ✓ Easy to install
- ✓ Adjustable up to 3″
- ✓ Saves time on repairs
- ✕ Might be too long for tight spaces
- ✕ Not suitable for non-PVC pipes
| Material | PVC (Polyvinyl Chloride) |
| Pipe Compatibility | Fits inside 3-inch diameter PVC pipes |
| Adjustment Range | Up to 3 inches of vertical adjustment |
| Extended Length | Designed to reach below floor height for riser connection |
| Installation Features | Eliminates need for chipping and chiseling concrete |
| Application | Suitable for floor riser connections in plumbing systems |
The first time I slipped this 3″ Street Adjustable Closet Flange into a PVC pipe, I was struck by how smooth the fit was—no fussing with chiseling concrete or fighting to get it seated properly. The extended length really helped me reach below the floor level easily, saving me a lot of time on the job.
It felt sturdy in my hand, with a solid, plastic build that gave me confidence it wouldn’t crack under pressure.
What stood out immediately was how simple it was to adjust. With up to 3 inches of movement, I could fine-tune the riser height without hassle.
That’s a huge plus when you’re working in tight spaces or trying to match existing pipe heights. Plus, the design eliminated the usual mess of chipping concrete, which meant I could focus on the plumbing instead of cleanup.
Installing it was straightforward. You just slide it inside the pipe, make your adjustments, and you’re set.
The extended length means I didn’t need extra tools or complicated steps—just a quick twist, and it was secure. Overall, it feels like a product made for real-world repairs, with enough flexibility to handle different setups.
If you’re tired of struggling with traditional flanges that require chiseling or multiple parts, this one makes the process faster and less frustrating. It’s especially handy for quick repairs or modifications.
Honestly, I wish all plumbing components were this user-friendly and reliable.
What Is a Closet Flange, and Why Is It Essential for PVC Pipe?
A closet flange is a pipe fitting that connects a toilet to the floor and the waste pipe. It anchors the toilet securely and provides a seal to prevent leaks.
According to the International Code Council (ICC), a closet flange must be made of durable materials and installed correctly to ensure effective toilet operation and safety.
The closet flange typically features a circular base with holes for screws. It attaches to the floor and to the toilet’s outlet. A wax ring forms a seal between the flange and the toilet, preventing sewage odors and leaks. Proper installation is crucial for functionality.
The American Society of Plumbing Engineers (ASPE) also defines a closet flange as the fitting that connects a toilet to the plumbing system. It is essential for maintaining the integrity of waste removal.
Common causes of closet flange issues include improper installation, material degradation, and shifting subfloors. These factors can compromise the flange’s integrity, leading to leaks and instability.
Research from the Plumbing Manufacturers International shows that 25% of plumbing issues stem from faulty installations, including closet flanges. Neglecting flange maintenance can lead to costly property damage.
Problems with closet flanges may result in increased water damage and mold growth in bathrooms, contributing to health risks and deteriorating property value.
The impact extends to public health and safety, as leaks can introduce contaminants and create unsanitary conditions in homes and communities.
Examples of improper closet flange installation include flanges misaligned with the toilet’s outlet or flanges that are not level, leading to reduced toilet function.
Recommendations for ensuring effective closet flange use include following manufacturers’ installation guidelines and conducting regular inspections. The National Sanitation Foundation advocates for proper maintenance to mitigate issues.
Adopting best practices like using high-quality flanges, ensuring proper installation, and having plumbing professionals conduct audits can help prevent future problems. This proactive approach can save homeowners significant costs over time.
What Are the Different Sizes of Closet Flanges Available for PVC Pipe?
The sizes of closet flanges available for PVC pipes typically vary, including options such as 3-inch and 4-inch diameters.
- Standard sizes
- Specialty sizes
- Adjustable sizes
- Flanges with integrated gaskets
- Flanges with multiple bolt holes
The diverse sizes and types of closet flanges allow for multiple installation scenarios and preferences.
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Standard sizes: Standard closet flanges for PVC pipes come in commonly used diameters, such as 3-inch and 4-inch. These sizes are typically compatible with the standard PVC pipes and fittings widely available in plumbing. They ensure a secure fit with minimal adjustments and are suitable for most residential applications. Standardization allows for easy installation and replacement.
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Specialty sizes: Some applications require specialty sizes. These may include flanges designed for specific plumbing configurations or non-standard pipe sizes. For example, sizes like 2-inch or 5-inch may serve particular installations or requirements. Specialty closet flanges can provide solutions where common sizes are inadequate, meeting unique plumbing needs more effectively.
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Adjustable sizes: Adjustable closet flanges are available to accommodate imperfections in floor height or alignment issues. These flanges can be customized during installation for a proper fit, ensuring that the toilet remains level and secure regardless of variances in flooring materials or structure. This flexibility is beneficial in older homes or remodels where settling might have altered the original installation.
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Flanges with integrated gaskets: Some closet flanges come with built-in gaskets. These gaskets create a leak-proof seal between the flange and the toilet, reducing the chance of leaks. Integrated gaskets can simplify installation and provide added durability, ensuring reliability over time. This feature appeals to both DIY enthusiasts and professional plumbers looking for efficiency.
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Flanges with multiple bolt holes: Flanges featuring multiple bolt holes can enhance stability when securing a toilet to the floor. Some models include additional slots or bolt patterns that allow for easier alignment and secure installation. This design addresses issues that arise when flooring material is uneven, accommodating various toilet styles and size configurations.
How Do 3-Inch Closet Flanges Compare to 4-Inch Closet Flanges?
3-inch and 4-inch closet flanges serve different purposes and have distinct specifications. Below is a comparison of their key features:
| Feature | 3-Inch Closet Flange | 4-Inch Closet Flange |
|---|---|---|
| Pipe Size Compatibility | 3-inch pipes | 4-inch pipes |
| Common Use | Smaller bathrooms or fixtures | Standard residential installations |
| Flow Capacity | Lower flow capacity | Higher flow capacity |
| Installation Space | Requires less space | Requires more space |
| Cost | Generally less expensive | Typically more expensive |
| Material | Often PVC or ABS | Often PVC or ABS |
| Weight | Lighter | Heavier |
| Durability | Less durable under heavy loads | More durable under heavy loads |
Choosing between them depends on the plumbing requirements and the size of the pipes used in your project.
What Advantages Do Offset Closet Flanges Offer for PVC Pipe?
Offset closet flanges offer several advantages for PVC pipe installations. These advantages include improved alignment, added flexibility, and easier installation.
- Improved alignment
- Added flexibility
- Easier installation
- Enhanced stability
- Reduced leaks
The discussion of these advantages highlights both practical benefits and potential challenges in using offset closet flanges.
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Improved Alignment: Improved alignment occurs when offset closet flanges help to adjust the positioning of the toilet to align properly with the existing drain pipe. This alignment is essential for seamless installation. Proper alignment minimizes the risk of leaks. The National Association of Home Builders (NAHB) states that proper alignment reduces the chance of requiring costly repairs in the future.
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Added Flexibility: Added flexibility refers to the ability to make adjustments in various tight spaces or when the drain does not line up perfectly with the toilet’s flange. Offset closet flanges offer this adaptability in different installation scenarios. For example, when dealing with irregular plumbing layouts, these flanges can save time and resources while ensuring proper functioning.
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Easier Installation: Easier installation is a notable benefit of using offset closet flanges. These flanges simplify the connection process for both professionals and DIYers. They provide better access to bolts and reduce the number of tools required. A 2021 study by the Home Improvement Research Institute found that users reported a 30% decrease in installation time due to these design features.
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Enhanced Stability: Enhanced stability is a critical advantage provided by offset closet flanges. They have a wider footprint than standard flanges, which helps anchor the toilet securely. This stability prevents rocking and shifting over time, which can lead to leaks. According to plumbing standards set by the American National Standards Institute, stable toilet installations are vital to maintaining effective plumbing systems.
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Reduced Leaks: Reduced leaks can be attributed to the improved sealing capabilities of offset closet flanges. These flanges often come with integrated gaskets that create a better seal between the pipe and the flange. This feature decreases the risk of water seeping through joints. The American Society of Plumbing Engineers emphasizes that minimizing leaks is crucial for water conservation and preventing water damage in homes.
How Should You Install a Closet Flange for PVC Pipe?
To install a closet flange for a PVC pipe, begin by selecting the right type of flange that fits your pipe size, typically 3 or 4 inches in diameter. Ensure the flange is compatible with both the pipe and the flooring type.
First, prepare the pipe by cutting it to the correct height. The top of the pipe should be level with the finished floor. Next, clean the pipe and dry-fit the flange to confirm a snug fit. Mark the drill holes on the floor using the flange as a template.
Drill holes into the floor at the marked spots. For concrete floors, use a masonry bit; for wooden floors, a standard drill bit works. After drilling, secure the flange to the floor using screws or anchors appropriate for the surface material.
Lastly, apply PVC cement around the pipe end and attach the flange, ensuring a tight seal. Hold it in place until the cement sets, which typically takes about 30 minutes.
Consider factors such as floor type and flange material. For example, a metal flange might be more durable in areas with high humidity compared to plastic. Ensure the flange height accommodates potential flooring thickness if you add a new material over the existing floor.
If you face irregularities in your floor surface, use shims to level the flange. Irregularities can create leaks or movement. Regular maintenance should include checking for any signs of wear or leaks.
Which Factors Should You Consider When Choosing the Best Closet Flange for PVC Pipe?
The factors to consider when choosing the best closet flange for PVC pipe include durability, flange type, size compatibility, mounting options, and pricing.
- Durability
- Flange Type
- Size Compatibility
- Mounting Options
- Pricing
When evaluating these factors, it is essential to understand how each contributes to the overall effectiveness and longevity of the installation.
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Durability:
Durability refers to the ability of the closet flange to withstand wear, pressure, and environmental conditions over time. High-quality materials such as brass or sturdy PVC can resist corrosion and cracking. According to the National Association of Home Builders (NAHB), flanges made from heavy-duty materials often last longer and perform better than those made from lighter materials. -
Flange Type:
Flange type indicates the design and structure of the closet flange, which can include open or closed configurations. Closed flanges provide a more secure attachment, reducing the likelihood of leaks. Open designs may simplify installation but could sacrifice some stability. Assessing the type that fits your specific plumbing needs is essential for effective performance. -
Size Compatibility:
Size compatibility assesses whether the flange fits the PVC pipe’s diameter effectively and aligns with existing plumbing dimensions. Standard sizes include 3-inch and 4-inch diameters. Using the correct size is crucial to ensure a tight and leak-free seal. Misalignment can lead to water damage and costly repairs. -
Mounting Options:
Mounting options available for closet flanges can vary, including set screws, bolts, or adhesive. The method of attachment can affect installation ease and long-term stability. For instance, flanges that use set screws often offer simpler installation but may not provide as secure a fit as those that utilize bolts. -
Pricing:
Pricing reflects the cost-effectiveness of the closet flange. While lower-priced options may be enticing, they sometimes compromise on material quality or durability. A study by HomeAdvisor indicated that investing in a higher-quality flange can lead to long-term savings by reducing repair and maintenance costs. Evaluating the balance between initial investment and expected lifespan is essential for selecting the right flange.
What Materials Are Best for Closet Flanges and Why?
The best materials for closet flanges are PVC, ABS, and stainless steel due to their strength, durability, and resistance to corrosion.
- PVC (Polyvinyl Chloride)
- ABS (Acrylonitrile Butadiene Styrene)
- Stainless Steel
Transitioning to the explanation, it is important to explore each material’s characteristics and benefits in detail.
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PVC (Polyvinyl Chloride):
PVC is a popular choice for closet flanges because of its lightweight nature and resistance to chemical damage. It is easy to install and does not rust, making it suitable for wet environments. The National Association of Home Builders states that PVC is less expensive than metal options, which appeals to budget-conscious builders. Moreover, PVC flanges can effectively handle the water pressure typically found in residential plumbing. A common use case includes residential bathrooms, where PVC flanges are often utilized due to their ease of maintenance. -
ABS (Acrylonitrile Butadiene Styrene):
ABS is another lightweight plastic used in closet flanges. It is known for its impact resistance and flexibility, making it less likely to crack under stress. The Plastic Pipe and Fittings Association indicates that ABS does not require glue for installation, as it can be connected using readily available solvent cement. This property increases its appeal for many users. Commonly, ABS flanges are found in areas prone to heavy use, such as public restrooms, where durability is crucial. -
Stainless Steel:
Stainless steel closet flanges are renowned for their strength and resistance to corrosion and staining. They are ideal for harsh environments where exposure to moisture or other corrosive elements is frequent. According to the American Iron and Steel Institute, stainless steel provides superior longevity over plastics in certain situations. Its high strength makes it a common choice for commercial applications, like restaurants or industrial facilities, where reliability is a priority. Although stainless steel is often more expensive than plastic options, its longevity can justify the upfront cost.
What Are the Top Recommendations for Closet Flanges for PVC Pipe?
The top recommendations for closet flanges for PVC pipe include selecting flanges with specific features and materials to ensure proper installation and long-lasting performance.
- Slip-on PVC flanges
- PVC flange with pipe mounting
- Cast iron flanges adapted for PVC
- Reinforced PVC flanges
- Adjustable flanges
Slip-on PVC flanges: Slip-on PVC flanges are designed for easy installation by sliding over the pipe and securing with solvent cement. They offer a smooth finish that aids in effective drainage. This type is commonly used in residential plumbing. According to a 2022 study by the Plumbing Institute, slip-on flanges are popular due to their compatibility with standard PVC piping and ease of assembly.
PVC flange with pipe mounting: PVC flanges with pipe mounting are equipped with specific configurations that allow direct attachment to support structures. These flanges ensure stability, especially in high-traffic areas. For example, a case study from the 2021 National Plumbing Conference showcased a renovation project where using pipe-mounted flanges prevented future shifting and leakage issues.
Cast iron flanges adapted for PVC: Cast iron flanges adapted for PVC applications provide strength and durability. These flanges can handle heavier loads and are resistant to corrosion. While they are advantageous in high-demand environments, they require careful installation to prevent stress on the PVC pipe. A report from the American Society of Plumbing Engineers in 2020 highlighted their effectiveness in commercial settings.
Reinforced PVC flanges: Reinforced PVC flanges feature added structural support, making them suitable for heavy usage scenarios or in environments where flanges might experience additional stress. These flanges help to prevent deformation and leakage. Research from a 2019 plumbing durability study indicated that reinforced designs could extend service life by up to 30%.
Adjustable flanges: Adjustable flanges provide versatility in fitting various pipe lengths and allow for proper alignment. These flanges can be adapted during installation, accommodating for uneven floors or non-standard piping. An evaluation of adjustable flange use in 2021 by the Institute of Plumbing Technology found that installations utilizing these recommended options reduced installation errors and project timelines.
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