The ProAqua PA-1771-4 filter cartridge set of four (4) is a compatible replacement for the R173578 used in the Pentair Clean and Clear Plus 520 pool filter made after Nov 1998. The Pentair Clean and Clear 520 pool filter uses four cartridges.
Details:
- Brand ProAqua
- P/N PA-1772-4
- Diameter 7"
- Height 31-3/4"
- Hole size top 3"
- Hole size bottom 3"
- Set of 4 cartridges
Compatible replacement for:
- Pentair R173578
- Unicel C-7472
- Pleatco PCC130
- Filbur FC-1978
- Waterway 817-0131
- Waterway 817-0143
How long should a ProAqua pool cartridge last?
ProAqua cartridges are made with premium bonded filtration fabric that delivers more surface area over standard filter fibres and can last up to 18 months, depending on your level of pool filtration and filter cleaning routine.
