Hayward Paramount SDX2 004162223101 White Safety Drain for Concrete Pools, 2 Pack

SDX2 is a high-flow suction outlet suitable for use as a wall fitting and also as a floor drain when debris removal is not a concern. A “Retro” version is available to bring existing suction outlet covers VGB compliant. SDX2 Retrofits existing plaster rings up to 10″ in diameter. SDX2 boasts a flow rating of 188 gpm on the floor and 154 gpm on the wall making it compatible with most residential pumps up to 3 hp. SDX2 has a 1.396 feet per second velocity at the opening at a maximum listed 188 gpm.