Filters, Replacement Cartridges

Please Note: If the original Gatsby application had a keyed opening on the bottom, this cartridge will not work.

This Filter is 14-7/8" tall x 5" wide it has 2 1/8" holes on the top and bottom. This filter does fit some Cal Spas but looks very similar to a standard sized filter which is 13 5/16" tall but this filter is slightly taller at 14 7/8"...

This part is a Filter Cartridge,  7 1/4"Tall x 7" Across 4" Hole for a Master Spa Down East 2002-2003. This filter is 7 1/4" long x 7" Wide and it has a hole in each end that is 4". The overall length of this housing is about 7". The top and bottom...

This filter is 13 1/16" Tall X 5" Wide and has a female SAE Large Thick Thread that is 2" which would really measure about 2 1/4-2 3/8" ID. This filter can be found on some American Spa brand tubs.. Note: The version can vary on this filter but the...

This Filter Cartridge is an Antimicrobial VersionMicroban¨ antimicrobial agent is impregnated into the fibers of the filter media, resulting in a bluish color and allowing the antimicrobial agent to be released over the entire life of the filter.