O-305 | Aladdin Hayward Star-Clear Filter Head O-Ring | CX250F 98209800 High Flow Manual Air Relief Valve or valve replacement

or valve replacement

Powerful Mineral Blend for Algae Elimination: Containing copper sulfate

Optimal Performance: Helps maintain optimal performance of your Universal H-Series Low Nox heater

Its robust construction is designed to endure extended use and contact with harsh pool chemicals

399K BTU Output for Large Pools

O-305 | Aladdin Hayward Star-Clear Filter Head O-Ring | CX250F 98209800 High Flow Manual Air Relief Valve or valve replacementThe Aladdin O 305 Hayward Star Clear Filter Head O Ring is a precision fit replacement engineered to match the original Hayward CX250F seal used on Star Clear cartridge filter systems. Molded from durable, chemical resistant elastomer, it provides a tight, consistent seal between the filter head and tank body, preventing air leaks, water seepage, and pressure loss during filtration. Its exact sizing ensures smooth installation, helping maintain proper