Hayward DEX2420MAR2 Manual Air Relief Assembly

Genuine Hayward Parts for Top Performance! The Hayward Manual Air Relief Assembly sits on top of your cartridge or DE pool filter tank to relieve pressure in the system. Constructed of durable genuine manufactured parts the air relief assembly is the perfect replacement for your SwimClear and HCF cartridge filters and for your ProGrid DE filters. This set incudes the manual air relief valve with O-ring flange nut pressure gauge and O-rings.