1.5 inch Pad Spa FIlter Adapter

For slip-fit filters, or changing from screw-ins to quick-release slip style. Outside diameter of slip coupling is 1 15/16 inch to fit filters with a 2 inch hole. Inside diameter is 1.5 inch. threads are 1.5 inch NPT. Screws into your spa and stays there so your filters will just push on and pull off. Two shown for reference, sold individually.