4-Pack Air Rlease Valve and O-Ring Set
One set of release valves and o-rings. Product Features 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.