Darlly 11503 FC-1266 C-9441 PA150S Spa/Pool Filter Cartridge poolparts The PresAir Trol flush air

The PresAir Trol flush air button in white is built for compatible 1-3/4 inch hole-size installations and offers a clean

supporting more dependable function

Useful when original unions are worn or cracked

Supports strong water circulation

and black Kynar construction give this part practical value because ozone-system replacements work best when they match the original plumbing configuration and material expectations closely

Darlly 11503 FC-1266 C-9441 PA150S Spa/Pool Filter Cartridge poolparts The PresAir Trol flush airThe Darlly 11503 filter cartridge is engineered for compatible systems that need 150 square feet of filtration area along with a robust 10 1 8 inch diameter body. Featuring 4 inch top and bottom openings and a 23 1 8 inch length, this cartridge is well suited for larger cartridge filters where both surface area and dimensional accuracy are critical. Higher square footage cartridges are often chosen for their ability to support strong filtration