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- Royal Blue (same color as most FDM 4" fittings)
- Light Blue (same color as 3½" fittings)
- White (same color as FDM 3" fittings)
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Introducing our new fasteners, engineered for strength and safety. With a thoughtfully rounded design, these fasteners eliminate sharp edges, ensuring a smooth handling experience without sacrificing durability. Their perfect length guarantees a secure and reliable fit for a variety of applications. Ideal for both professionals and DIY enthusiasts, our fasteners combine robust performance with a user-friendly design. 3 colors available:
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Out of stockFDM replaced this coupler with our New and Improved, Dry Fit, NO GLUE Coupler The new coupler is STRONGER than ever and made out of HDPE, making it indestructible! Go to FDM's New Coupler 👇
4 in. PVC to Corrugated Coupler
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Sale!6" Coupler connects to a corrugated pipe to a PVC/SCH 40 and thin-walled PVC Pipe.
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Sale!New! EXTRA Heavy-Duty 4 in. Wye Fitting. Built for durability and reliability, this fitting is the preferred choice of the French Drain Man Team. The 4 in. Wye fitting seamlessly connects multiple drainage lines, ensuring a smooth transition between pipes and effectively directing water flow while minimizing turbulence. Trust the choice of professionals — choose our EXTRA Heavy-Duty 4 in. Wye Fitting for your next drainage project.
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4 in. x 12 in. Dual Wall Riser for Downspout Leaf Filter and Clean Out
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Coupler to Connect Any Pop-up Emitter to PVC Schedule 40.
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Coupler to Connect PVC Thin Wall SDR35 to PVC Schedule 40
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- Choose from 3 in. OR 3½ in Corrugated
- Joins 3 pieces of 3 in. OR 3½ in. corrugated pipe at a 45° Y angle
- Easy snap connection to corrugated pipe
- Provides directional flow
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Sale!This 6 in. single-wall/dual-wall external snap coupler connects the same-size pipe.
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New! 6 in. x 5 in. x 4 in. Reducing Single Wall Corrugated Wye
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Sale!New! EXTRA Heavy-Duty 6 in. x 4 in. Single Wall Corrugated Tee is the preferred choice of the French Drain Man Team.
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This 6 in. x 4 in. Female Reducing Coupler is used to join 6 In Corrugated HDPE Pipe to 4 in. with a secure, snap-in connection. Makes a strong, leak-resistant joint.
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Sale!New! EXTRA Heavy-Duty 6 in. x 4 in. Corrugated Reducer is used to join 6 in Corrugated HDPE Pipe to 4 in. with a secure connection.
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Sale!New! EXTRA Heavy-Duty 6 in. End Cap is the preferred choice of the French Drain Man Team.
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Sale!This 6 in. single-wall internal coupler snaps into the interior corrugations.
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Sale!This single-wall elbow is used to change direction 90 degrees.
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Sale!New! 5 in. x 4 in. x 5 in. Corrugated Single Wall Tee. This is a DIY friendly product endorsed by the FDM Team — it’s all we use!
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Sale!New! 5 in. x 4 in. Single Wall Corrugated Reducer used to connect 4 in corrugated pipe to 5 in corrugated pipe.
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Sale!New! 5 in. Single Wall Corrugated Wye. This is a DIY friendly product endorsed by the FDM Team — it’s all we use!
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Sale!New! 5 in. Corrugated Single Wall Tee, This is a DIY friendly product endorsed by the FDM Team — it’s all we use!
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Sale!New! 5 in. Corrugated Internal Snap Coupler, This is a DIY friendly product endorsed by the FDM Team — it’s all we use!
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Sale!New! 5 in. Corrugated Blind Tee can be used as 90 degree elbow or to use as a straight tee, cut the blind end.
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- Used to connect 4 in.corrugated pipe to 3 in. corrugated pipe
- Easy snap connection
- Provides directional flow
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This fits existing storm drain sleeves. 4" x 6" PVC Hub x Hub Reducer Coupling is used to connect 6 in. sewer and drain pipe to 4 in. sewer and drain. Use it in conjunction with the French Drain Man 4" Corrugated Pipe Adapter to 4" PVC.
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Sale!New! EXTRA Heavy-Duty 4 in. x 3 in. Single Wall Corrugated Tee is for a 4 in. main trunk line and a 3 in. intersecting branch line - the preferred choice of the French Drain Man Team.
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This 4 in single wall wye allows for easy connection when tying 2 lines into one discharge line.
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This single-wall elbow is used to change direction 90 degrees.
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This single-wall elbow is corrugated on the inside and outside and used to change direction 45 degrees.
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Out of stockThe 4 in. Critter Guard has been replaced with: FDM's New and Improved Flow Gate for 4 in. Corrugated Pipe Our new Flow Gate not only keeps small rodents from entering your drainage system, but its solid cover prevents mosquitoes from getting in and breeding inside the pipe.
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New! EXTRA Heavy-Duty 4 in. Corrugated Tee - the preferred choice of the French Drain Man Team.
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FDM replaced this coupler with a New and Improved FDM’s Dry Fit NO GLUE Coupler The new coupler is STRONGER than ever and made out of HDPE, making it indestructible! Go to FDM's New Coupler 👇
4 in. PVC to Corrugated Coupler
Watch Video 👇 -
Dual-wall elbow is used to change the direction 90 degrees.
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Sale!This single-wall wye allows a 45-degree connection to the mainline pipe. This wye is barbed.
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This 3 in. x 4 in. Female Reducing Coupler is used to join 3 in. Corrugated Pipe to 4 in. with a secure, snap-in connection. Makes a strong, leak-resistant joint.
