Unicel 4CH-950 | 25 Sq. Ft. Replacement Filter Cartridge | 12" with SAE Thread Pool Test Kits & Labs Swimline's essentials 4-piece pool maintenance

Swimline's essentials 4-piece pool maintenance kit

Replacing this assembly restores the heater to OEM thermal performance specifications

and saltwater systems

The diffuser assembly directs the flow of water evenly across the filter sand bed

will not freeze

Unicel 4CH-950 | 25 Sq. Ft. Replacement Filter Cartridge | 12" with SAE Thread Pool Test Kits & Labs Swimline's essentials 4-piece pool maintenanceUnicel 4000 Series 25 Sq. Ft. Replacement Filter Cartridge The Unicel 4CH 950 is a precision engineered replacement filter cartridge delivering 25 square feet of filtration area in a compact 12" profile. Built with 139 pleats of 3 oz. Reemay 2033 spun bond polyester media, it captures fine particulates while sustaining strong flow rates purpose built for demanding spa filtration applications. The closed top with semi circular handle makes removal