Master Spas 30 Sf Filter with 1.5″ Male SAE Threaded bottom and EcoPur Charge Insert Slot.

This filter has Master Spas part number X268536 or Pleatco Part Number PMA-R4. This works in conjunction with the EcoPur Charge Cartridge, part number X268532 (not included).

Used in Maser Spas Swim Spa lines. To see which filters go with the PMA-EP4 and which spas are compatible, see this Filter Chart.

For additional pictures and dimensions please see the Technical Specs tab.