Unicel C-5374 | 65 sq ft Waterway & Rainbow Spa Filter Brand_Flame Boss keeping them suspended in the

keeping them suspended in the water instead of bonding to your spa's surfaces

Media is Unicel's standard 3 oz Reemay polyester — one hundred percent spunbonded polyester over a solid molded core

and you get a filter that's as easy to maintain as it is effective

A semi-circular handle molded into the top makes lifting it out effortless

Use the smooth side to grill breakfast pancakes

Unicel C-5374 | 65 sq ft Waterway & Rainbow Spa Filter Brand_Flame Boss keeping them suspended in theThe Unicel C 5374 is a 65 square foot drop in replacement spa filter cartridge built around one standout number: 223 pleats. That is an unusually dense fold count for a cartridge just 5 5 16" across, and it is the reason this filter carries so much capacity in a compartment that a lower capacity cartridge would occupy just as fully. Capacity matters more than most spa owners realize. Filtration area is not about how well a filter cleans on any given