NDS Spee-D 234 4.75" x 2' Gray Channel Drain with Bottom Outlet for 3" & 4" Fittings. The 2 ft. long channel drain features an integrated bottom outlet with built-in strainer; outlet connects to 3 in. & 4 in. sewer and drain fittings. Channel fits one 2 ft. Spee-D Channel Drain Grate on top. The Spee-D Channel Drain with Bottom Outlet is made of polyvinyl chloride (PVC) treated with UV inhibitors. Spee-D Channels are part of the NDS Profile Channel series, and ideal for capturing light to moderate flows from driveways, concrete & paver patios, pool areas, courtyards, and walkways. Hassle-free limited lifetime warranty guarantees the NDS product is free from defects—or we’ll replace it.