Unicel 4CH-35 | 35 sq ft Top Load Spa Filter Fire Pits Filtration area is not about

Filtration area is not about how well a filter cleans on any given pass — it is about how long it can keep cleaning before the accumulated load starts choking flow

Quadra-Fire 812-3370 Blower Fan

Shortened Screws

Set the dial once

Ooni 14" Perforated Pizza Peel

Unicel 4CH-35 | 35 sq ft Top Load Spa Filter Fire Pits Filtration area is not aboutThe 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