Unicel 4CH-35 | 35 sq ft Top Load Spa Filter Brand_Travis Industries more chemical use

more chemical use

along with the Callaway 50

1 x Watkins Wellness 79005 Hi-Limit Thermistor

With 50 square feet of filtration across 260 pleats of heavy-duty polyester

1 x DuraVent 3PVP-WTI PelletVent Wall Thimble - 3"

Unicel 4CH-35 | 35 sq ft Top Load Spa Filter Brand_Travis Industries more chemical useThe Unicel 4CH 35 is a 35 square foot top load replacement spa filter cartridge a fundamentally different design from the drop in cartridges most spa owners picture. Instead of two open ends and a filter well that the cartridge simply sits inside, this one has a 1 1 2" male pipe thread molded into the bottom end cap and a molded cone handle on top. It screws directly onto the suction fitting in the floor of the filter compartment. That threaded