Description
The Unicel C-4975 is a 4000 Series 75 sq. ft. replacement filter cartridge precision-engineered to deliver consistent water clarity across a full season. Constructed from 3 oz. Reemay 2033 polyester media with 210 pleats, this cartridge maximizes filtration surface area within a compact 20 1/8″ profile engineered to exact OEM dimensional standards for a drop-in fit without modification.
Specifications
| Filter Area | 75 sq. ft. |
| Length | 20 1/8″ |
| Outer Diameter | 4 15/16″ |
| Top Inner Diameter | 2 1/8″ |
| Bottom Inner Diameter | 2 1/8″ |
| Material | 3 oz. Reemay 2033 |
| Pleat Count | 210 |
| Top Cap: Open | Bottom Cap: Open |
Fits Into:
| OEM Brand | Product Name | Part Number | Notes |
| Custom Molded Products | EZ Twist Top Mount Skim | 25390 | |
| Custom Molded Products | Top Load Pressure | 25390 | |
| Custom Molded Products | Top Mount Skim | 25390 | |
| Dakota Spas | Select Models | Verify by model match dimensions before ordering | |
| Emerald Spas | Select Models | Verify by model match dimensions before ordering | |
| Hydro Pool Industries | Select Models | Verify by model match dimensions before ordering | |
| Nahani Spas by Maax | Select Models | Verify by model match dimensions before ordering | |
| Pentair | Dynamic Series II & III RTL/RCF-75 | R173435 | |
| Pentair | Dynamic Series V DSC-75 | R173435 | |
| Pentair Rainbow Plastics | Dynamic Series II & III RTL/RCF | 17-2632 | |
| Pentair Rainbow Plastics | Dynamic Series V DSC-75 | 17-2632 |
(This is not an exhaustive list.)
Also known as: C4975
