Filters for Sonfarrel/Martec Spas

Filters to fit Sonfarrel/Martec Spas.

There are two main filter sizes for these models:

PMT 27.5 - Outer Dia 5" (127mm) x length 14 13/16" (377mm) with holes 2 1/8" diameter (52mm) at each end.

PMT 35 - Outer Dia 5" (127mm) x length 11 7/8" (302mm) with holes 2 1/8" diameter at each end. Unicel Ref is C-4332.