Unicel C-8465 | 65 sq ft Hot Spring Spa Filter Type_Igniters Both cartridges are 45 sq

Both cartridges are 45 sq ft with 225 pleats

If your spa foams every time the jets come on

or shorten the life of the titanium cell

and total hardness with a single dip

where this one is 8 inches with a semi-circular handle and a 1-1/2 inch thread

Unicel C-8465 | 65 sq ft Hot Spring Spa Filter Type_Igniters Both cartridges are 45 sqThe Unicel C 8465 delivers 65 square feet of filtration across 234 uniform pleats, capturing debris and particles down to an average of 20 microns. Built to meet or exceed OEM specifications, it's a direct replacement for a wide range of Hot Spring, Caldera, and Tiger River cartridges. Filtration is the quiet backbone of clean spa water. Every soak leaves behind body oils, lotions, hair, and fine debris, and the cartridge is what removes all of it