Unicel - 817-0131
Used for: Pentair #R173578/178585, waterway, Unicel #C-7472
The Waterway 817-0131 R is a compatible replacement for the following pool filters:
- Pentair Clean & Clear Plus 520
- Pentair 178585
- Waterway Plastics 817-0131
- Measures 7" x 32 1/16"
- Has 3" Open top/bottom holes.
- This pool filter replacement is constructed with 125 sq. ft. of media area for premium pool filtration.
- This compatible Waterway filter cartridge keeps swimming pool and spa water cleaner and clearer.