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Sale!Dry Fit, NO GLUE! Introducing the ultimate solution for connecting 4" corrugated pipe to any 4" smooth wall PVC pipe - our HDPE coupler. Built to last, our coupler is made from the strongest material on the planet, HDPE, which boasts a lifespan of up to 500 years. It has a lifetime guarantee not to crack. Not only is HDPE durable, but it's also flexible enough to withstand underground buried downspouts, which is crucial when the ground settles and shifts over time. Includes (2) of FDM's Fasteners
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FDM replaced this basin with a New and Improved 4-Way Connect Catch Basin with 12 x 12 Turf Restrictor Plate FDM’s New 4-Way Connect Basins: ↓ 4-Way Connect Catch Basins with 12 x 12 Turf Restrictor Plate
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20"x 2" risers are a great solution for systems needing only a few inches to come to grade.
- Allows tank, riser, and tank lid to be poured together
- Accepts additional 20” Risers to bring to grade for servicing
- Patented ring to guarantee watertight and airtight seal between concrete tank and riser
- Fits anywhere in the Riser stack
- Can be used as a 2″ Riser
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20" x 12" Riser. For use with 20" Round Distribution Box. DISTRIBUTION BOX NOT INCLUDED.
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20" x 6" Riser. For use with 20" Round Distribution Box. DISTRIBUTION BOX NOT INCLUDED.