Description The Endless Pools OEM Replacement Filter is a compatible replacement for select Endless Pools swim spa models. Endless Pools filters are a vital part of any swim spa system. Swim spa filters regulate the water that enters your spa and keep debris, dirt, and other items from floating into the pipes and damaging the pump and inner workings of your hot tub. This Endless Pools filter is designed to fit the following swim spas: X200 (swim side) X2000 E500 E550 E700 E2000 R120 R200 R500
