This Catalina Filter is a 40 Square Foot Filter Cartridge that is 6" Outside Diameter x 8 1/4" in Length. It has a 1 1/2" SAE Threaded Fitting which is a Thick Thread that measures about 2" outside diameter of the threads. SAE Threads are really thick.
|Bottom Style||SAE Thread|
|Application||Catalina Hot Tubs
|Model||Front Access Skim Filter 50sqft|
|Square Footage||40 sq ft|
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