Hot Spring Tri-X Filter Cartridge (65 sq. ft.)
The Tri-X filter is unique from a standard filter cartridge as it not only catches particulates on the surface of the filter media but it also uses the media’s depth making it more effective than traditional filter cartridges. Length: 10-3/8″. Top: 2-1/8″ Open. Bottom: 2-1/8″ Open.