Westbrass A105KFH-01 5/8″ x 3/8″ OD X 20″ Flat Head Toilet Riser Supply Line
It uses a 5/8 in. OD (1/2 in. Copper) Inlets with a 3/8 in. OD Compression outlets with nut and ferrule. The kit features a 20 in. Flathead toilet riser. The valves use traditional compression closure for positive seal.