Filters, Replacement Cartridges

This Filter Cartridge is 17 3/4" tall and 5 5/16" wide.. It has a hole in the center of the top and bottom that measures 2 1/8"...   Diameter    5-5/16"Length    17-3/4"Top Style    OpenTop Physical...

This part is a Filter Cartridge, 50sqft, 2-11/16"ob, 7" Wide, 10-3/4" Tall, found on some Watkins Caldera hot tubs.. Application Caldera Spas (Watkins), Watkins Mfg/Caldera Spa Bottom Physical Dimension 2-11/16" Bottom...

This parts is an Artesian, Resort Series, Filter, Cartridge, 50sqft, 2" male pipe thread, 6-3/4" Wide, 8" Tall.. Note The small filter found in the center between these filters can be found here.. Artesian, Resort Series, Filter, Cartridge, 6 sqft,...

This part is a Filter, Cartridge, 25sqft, 2-1/16"ot, 2-1/16"ob, 4-5/8", 11-7/8" 3oz.. Application American Products/Pentair, Apollo Spas, Emerald Spas, Hayward, Sonoma Spas Bottom Physical Dimension 2-1/16" Bottom...