Waterway 7-1/2" [100 Sq. Ft.] Top Load Extended Cartridge Filter [2"] (502-9910) deltrolcontrols while the pressure-switch configuration helps

while the pressure-switch configuration helps preserve the original operational design of the spa

The longer lead length makes it practical for extended routing needs

The PS-3866 is a practical premium replacement when the goal is a more durable

contributing to a cleaner fit and finished appearance

Waterway 7-1/2" [100 Sq. Ft.] Top Load Extended Cartridge Filter [2"] (502-9910) deltrolcontrols while the pressure-switch configuration helpsThe Waterway 502 9910 top load extended cartridge filter is designed for compatible applications and features a 7 1 2 inch format with 100 square feet of filtration area and 2 inch plumbing compatibility. A complete filter like this is useful because it restores the full filtration assembly when the original unit needs more than a simple cartridge swap. Extended cartridge filter designs can be especially practical where additional filtration area is