Fits Unicel 6CH-940 & Pleatco - P3. Compatible with: Pleatco PWW50-P3, PWW50P3, Unicel 6CH-940, Filbur FC-0359, Waterway Plastics 817-0050, and more. NSF50 Certified: Tested and certified by IAPMO against NSF/ANSI 50, ensuring high standard performance.
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