Filters, Replacement Cartridges

This Cal Spa filter is a 25 Square Foot Filter Cartridge that is 4-15/16" Outside Diameter x 13-5/16" in Length. It has a hole in the top and the bottom that are 2 1/8". Don't just order this filter though be sure it is the correct size for your Cal Spa....

This Butterfly Style Plastic Filter Screen Fits some Dimension One and At Home Hot Tubs after 2000 that use a 10 1/2" Ta x 7 1/8" Wide has a closed top with castle tabs and features a butterfly type twist lock bottom where you slide it down over this...