Cal Spa Filter, Cartridge, 50sqft, 2" female SAE Thread, 4-15/16", 13-1/2", Fits Some Cal Spa

This filter is 13 1/2" X 4 15/16" 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 is found in Some Newer Cal Spas and others.

Note: The version of this filter can vary but they are all the same specs. 

If you have the shorter verison of this filter which is 9 1/4" long x 5" with an 1 1/2" SAE Thread click here HTP17-175-2360