Unicel C-4321 Replacement Filter Cartridge | 25 Sq. Ft. | Pentair Rainbow Leaf Trap & South Pacific Spas VLLS103S The pivotal base tread is

The pivotal base tread is also designed as not to damage the pool liner

inspect the drain cap threads and the seating surface on the tank for any cracking or corrosion that could prevent a proper seal even with a new gasket in place

5400 lumens

Replacing this kit restores a leak-free seal during scheduled heater service or when a manifold leak is identified

Unicel C-4321 Replacement Filter Cartridge | 25 Sq. Ft. | Pentair Rainbow Leaf Trap & South Pacific Spas VLLS103S The pivotal base tread isThe Unicel C 4321 is a 25 sq. ft. replacement filter cartridge built for Pentair Rainbow leaf trap pre filters and select South Pacific Spas models. With 106 precision pleats of 3 oz. Reemay 2033 polyester media and a closed top cap with raised ring, this cartridge delivers reliable debris capture and consistent flow in compact filter housings. Specifications Filter Area 25 sq. ft. Length 13 5 16" Outer Diameter 4 15 16" Top Inner Diameter N A Bottom