For single or multiple drain use in gunite, steel, vinyl, fiberglass and tile pools and spas Single - sumpless Floor/wall (2" pipe): 224 GPM at 6.3 fps Floor (1.5" pipe): 177 GPM at 5.9 fps Wall (1.5" pipe): 122 GPM at 3.4 fps Floor/wall: 53.3 GPM at 1.5...