Pleatco PRB35-IN hot tub filter is rated at 35 sq.ft and is a fairly common size used select Orca bay Spas, Pentair Pool Filters and older Sunrise Spas with the top load drop in cartridge. This filter is also a compatible replacement for the Unicel C-4335, Master Deluxe M40505 and the Filbur filter model FC-2385.
Top View
Outside Diameter 5" (127mm)
Top Open Hole 2-1/8" (54mm)
Side View
Filter Length 9-1/4" (235mm)
Washable pleats
Bottom View
Outside Diameter 5" (127mm)
Bottom Open Hole 2-1/8" (54mm)
Compatible replacement for:
- Pentair 17-2482
- Pentair R173431
- Waterway 817-3501
- Unicel C-4335
- Filbur FC-2385
- 303557
- 25939
- Master Deluxe M40353
Pleatco Filter Cartridges come with a 30 Day Limited Manufacturers Warranty. The manufacturer of these filter cartridges warrants their filter cartridges against defects on workmanship and materials. This warranty will be void if the filter cartridges become damaged as a result of improper installation or use in application other than a hot tub. Warranty does not cover labour charges, cost of lost water or chemicals, or any other damages that may occur.
