Hayward SPX4000Z1 Diffuser O-ring Replacement Kit for Select Hayward Northstar, Ecostar and Tristar Pump

This diffuser o-ring is designed to use with Hayward NorthStar pump series SP4000, SP4000X, SP4015X202 models SP4005(NS), SP4007(NS), SP4010(NS), SP4015(NS), SP4020(NS), SP4030(NS), SP4005(NS), SP4007(NS), SP4010(NS), SP4015(NS), SP4020(NS), SP4030(NS) and also compatible with Hayward TriStar pump series SP3200EE, SP3200X, SP36075EE, SP3250EE, SP3600. Also fits Hayward EcoStar pump series models SP3400VSPVR, SP3400VSP. Weighs 2-pound.