2pcs Air Relief Valve with O-Ring 17x9mm Pool Filter Directional Exhaust Valve Compatible with Hayward StarClear II StarClear Plus - LT Easiyl ECX1322A

• Compatibility: Compatible with cartridge filter C100, C250, C500, C750, extended cycle DE filter EC30 and EC40 series, EC50A/ AC series. Compatible with Hayward StarClear, StarClear Plus, StarClear II and Micro StarClear cartridge filters. Sealing Excellence: The pool filter cleaners are equipped with O-rings, which can enhance the connection between the vent and the vent valve, effectively preventing leakage. These filter replacement part combinations are ideal choices for replacing filter accessories. Premium: The exhaust valve boasts fine craftsmanship, ensuring durability. The surface and threaded edges of the pool filter replacement part are smooth and rounded, minimizing the risk of scratching or damaging other components during installation or use. Easy Installation: The grooved design of the O-ring for the pool filter facilitates the installation and fastening of the valve, providing a hassle-free experience for users. Contains: 2pcs ECX1322A Directional Vent Valve for daily use. Threaded head is 0.67 x 0.35 in / 17 x 9 mm.