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.
PRB 50-IN Outer Dia.4.15/16"(125mm) x length 13 5/16"(338mm)+ 2 1/8" end holes(53mm)> Pleatco Ref PRB 50-IN, Unicel Ref C-4950, OEM number 17-2380
PRB 35-IN-3: Outer Dia 4 15/16"(125mm) x length 9 1/4"(235mm)+ 2 end holes 2 1/8"(53mm), 35 sq.ft filter element. Pleatco Ref PRB 35-IN-3, Unicel Ref c-4335.
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.
