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replacement filter cartridge engineered for precision fit in Hayward high-capacity filter systems
No phosphate build-up during off-season
No Phosphates - No Problem
it can cause inconsistent heating
filtration performance
Unicel FG-1248 Replacement DE Filter Grid | Pentair Purex SM/SMBW 48 sq. ft. C4320 replacement filter cartridge engineered forThe Unicel FG 1248 is a single, precision engineered replacement full DE filter grid designed for Pentair Purex SM SMBW series 48 sq. ft. DE filter systems. Built to exact OEM dimensional specifications, this grid delivers reliable debris capture and extended service life for filter systems with a total 48 square foot filtration capacity. Reinforced construction withstands the pressure demands of sealed DE filter tank environments. IMPORTANT: CHECK
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