Super-Pro XtremeBlue A7 for Pentair Clean & Clear 520 - Filter Cartridge 4 Pack | X15-ULT-A7-M-Q4 Ladder & Rail Mounting Hardware Brand Equipment Line Model /

Brand Equipment Line Model / Part Number Notes Pentair (formerly Rainbow) Sanitizer & Water Quality 300-29X 1/2 in

Replacing the plug kit with the OEM part restores the original electrical connection integrity specified for these heater models

While the pump is open for basket replacement

allowing the filter to be serviced or disconnected from the circulation system without cutting pipe or removing threaded fittings

Brand Equipment Line Model / Part Number Notes Pentair FNS Plus Filter — FNS Plus Series FNS PLUS 48 Standpipe outlet assembly

Super-Pro XtremeBlue A7 for Pentair Clean & Clear 520 - Filter Cartridge 4 Pack | X15-ULT-A7-M-Q4 Ladder & Rail Mounting Hardware Brand Equipment Line Model /Super Pro X15 ULT A7 M XtremeBlue A7 Single Replacement Filter Cartridge, for use with Pentair Clean & Clear Plus 520 Cartridge Filter. This is a FOUR cartridge replacement pack. Clean & Clear Plus 520 requires four to fully service. We recommend replacing all cartridges at once to ensure even and regular servicing of your filter. For the single filter cartridge, see this product.