Filters for Freeflow Spas

PFF 25 As used in Lagas models - these filters are 4 5/8" in diameter x 6 5/8" long,
with a 2 1/8" hole at one end and a 1.9" slotted opening at the other. This cartridge has a filter area of 25 square feet. The OEM number is FF-150, the Unicel reference is 4CH-22 .

PFF 25-TC As used in Claro models - these filters are 4 5/8" in diameter x 6 5/8" with
the top end closed and the bottom having a 1.9" slotted opening. This cartridge has a filter area of 25 square feet. The OEM number is FF-100, The Unicel reference is 4CH-23.