Super-Pro XtremeBlue A7 for Pentair Clean & Clear 520 - Filter Cartridge 4 Pack | X15-ULT-A7-M-Q4 Niches Weighed down by adding 20lbs

Weighed down by adding 20lbs of sand to the sidewalls

⚠️ IMPORTANT: CONFIRM YOUR SYSTEM DESIGNATION BEFORE ORDERING

Compatibility information for this part is not fully confirmed in available records

Pentair Triton II Sand Filter PF100 Closure assembly for Triton II sand filters

Super-Pro XtremeBlue A7 for Pentair Clean & Clear 520 - Filter Cartridge 4 Pack | X15-ULT-A7-M-Q4 Niches Weighed down by adding 20lbsSuper 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.