PMA-R4 (Serial number starting with 24 or lower H2X, Michael Phelps Swim Spas Outer Locking Filter) Legend Outer filter for all Clarity

Outer filter for all Clarity Spas and Twilight TS 240x with serial number starting with 25 or higher

exfoliated skin and other inorganic buildup that hides in there

ProTeam Spa Gentle Spa improves water condition to leave skin soft and moisturized while reducing eye and skin irritation

vastly simplifying spa maintenance

PMA-R4 (Serial number starting with 24 or lower H2X, Michael Phelps Swim Spas Outer Locking Filter) Legend Outer filter for all ClarityFor serial number starting with 24 or lower X268549 Outer Locking Filter to be used in the H2X or Michael Phelps Swim Spas with the EcoPur Charge insert only which is sold separately.