4PACK EXCEL FILTERS XLS-706 Pool Filter Superior Replacement for PENTAIR CLEAN CLEAR 520 C-7472 FC-1978 PCC130

Check the filter housing and cartridge size

This Excel Filters listing is a replacement cartridge for Pentair housings, rather than a Pentair-branded product. The supplied product data identifies it as XLS-706 for the Pentair Clean & Clear Plus 520 and Waterway Crystal Water 525 housings.

Compatibility checks

• Confirm your filter housing model before ordering; cross-references listed include R173578, 817-0131, PCC130 and C-7472.
• Measure the old cartridge: the listing states a length of about 32.0625 inches, a 7 inch diameter, and 3 inch open holes at both ends.
• The listing identifies this as XLS-706 4PACK; verify quantity on your order if you need only one spare.

Source: Excel Filters Amazon product listing.