4-Pack Air Rlease Valve and O-Ring Set Sediment & Air Release Valve for Model 02, 603, 637, 12R, 635, 51, 633, 520R Filter Pumps and Saltwater Chlorinator Pool System w/ Filter Pump O-Ring seal for Intex sediment and air release valve as found on all Intex, Wet Set and Krystal Klear filter pumps. Genuine Intex replacement part numbers 10264 and 10460 Includes four valves and corresponding o-rings