339 x 126 Rainbow Waterco Waterway 50sqft Replacement Cartridge Filter Element

339 x 126 Rainbow Waterco Waterway 50sqft Replacement Cartridge Filter Element is a replacement pool or spa cartridge filter element for compatible filtration systems.

Please confirm the dimensions, end-cap style, centre opening and part number FC-FAA309 before ordering.

Replacement cartridges can look similar but differ in height, diameter and connection style. Contact us with your existing cartridge measurements or a clear photo if you need help checking compatibility.