Filters for Coast Spas.

Filters for Coast Spas.

Please just check the make of your hot tub - Coast Spas are based in Canada, and use the filter sizes listed here. Gulf Coast Spas are based in Florida - and filters to fit their spas are shown under Gulf Coast.

PRB 50IN Outer Diameter 5" (127mm) x length 13 5/16" (338mm) with two end-holes 2 1/8" (53mm). Pleatco Ref PRB 50-IN, Unicel Ref: C-4950, OEM number 817-500.

PRB 100 Outer Diameter 5" (127mm) x length 26 11/16" (678m) with two end-holes 2 1/8" (53mm),Pleatco Ref PRB 100, Unicel Ref: C-4999.

PCAL 100 Outer Diameter 5" (127mm) x length 23 11/16" (602mm) with two end-holes 2 1/8" (53mm), Pleatco Ref PCAL 100, Unicel Ref: C-4995. OEM No 817-1000

PCST 80 Outer Diameter 5 5/16" (135mm) x length 21 5/16" (542mm) with two end-holes 2 1/8" (53mm),Pleatco Ref PCST 80, Unicel Ref C-5396.

PCST 120 Outer Diameter 5 5/15" (135mm) x length 30"(762mm) with two end-holes 2 1/8" (53mm). Pleatco Ref PCST 120, Unicel Ref C-5351.