5/8 In. X 3/8 In. OD X 20 In. Corrugated Riser Supply Line Kit with 1/4-Turn rou
OD X 20 In. It uses a 5/8 in. Compression Inlet (For 1/2 in. Copper pipe) with a 3/8 in. OD Compression outlet with nut and ferrule. The kit features a 20 in. corrugated riser with seals for sink or water closet.