Filters for Cal Spa tubs.
PA 50 Outer Dia.7"(177mm) x 19 5/8"(500mm) with 3" end holes. Pleatco Ref PA 50, Unicel Ref C 7656, OEM part number C-500RE.
PA 100 Outer Dia.8 1/2"(216mm) x 23 3/8"(594mm)+ 4 1/16" end holes(103mm). Pleatco Ref PA 100, Unicel Ref C-8610, OEM number Hayward C1100RE.
Reemay 704 - Replacement for Pleatco PRB25-1N, Unicel C-4326, Filbur FC-2375 - this cartridge measures 13 5/16" (338mm) long with a diameter of 4 15/16 (125mm), and 2 1/8" (54mm) ID holes at each ends. The overall area is 25 square feet.
Reemay 706 - Replacement for Pleatco PRB50-1N, Unicel C-4950, Filbur FC-2390 - this cartridge measures 13 5/16" (338mm) long with a diameter of 4 15/16"(125mm), and 2 1/8" (54mm) ID holes at each end. The overall area is 50 square feet.
Reemay 705 - Replacement for Pleatco PRB35IN, Unicel C-4335, Filbur FC-2385 - This filter has an outer dia. of 5" (125mm) and a length of 9 3/8" (235mm) with an equal hole diameter of 54mm the length of the filter.
PMT-50: For CalSpa 14 13/16" long, 5" diameter filter with two x 2 1/8" end holes.
PCAL75: Outer Diameter 5", length 23 11/16" with two x 2 1/8" dia holes, Unicel Ref C-4970,
OEM Ref CalSpa, Waterways, 75 square feet of filter area
PCAL100: Outer diameter 5", length 23 11/16" with two x 2 1/8" dia holes, Unicel RefC-4995, OEM ref Calspa and Waterways, 95 square feet of filter area.
