The Twilight Series Eco Pur Filter is an Original Equipment filter for the Twilight Series by Master Spas. This filter is used in conjunction with the Twilight Series Outer Filter (X268512) and will work on Twilight Series spas ONLY, dating from 2009-Current. The Twilight Series Eco Pur Filter eliminates up to 95% of chemical use. “Pleatco PMA-EP2 Eco Pur” embossed on filter top.
PMA-EP2 is the insert to the PMA25-M filter (X268512)