Hayward Threaded Directional Vent Valve with O-Ring ECX1322A
For Use With: EasyClear C400/550, ASL C850/C1250, StarClear/StarClear II/StarClear Plus/SwimClear, Micro StarClear C120/C200/C225 Cartridge Filters, ReGenX RG450/RG700 Grid Element DE Filters and Perflex EC65/EC65A/EC75/EC75A/EC50A/EC50AC/EC30/EC40/EC40AC Extended-Cycle DE Filters