Photo 1 of PACETAP 1 1/2" SAE Thread Screw in Spa Filter Replacement Compatible with Pleatco PWW50P3(NOT PWW50P4), for Unicel 6CH-940, for Filbur FC-0359, for Waterways 817-0050, Spa Hot Tub Filter for Viking

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Photo 1 of PACETAP 1 1/2" SAE Thread Screw in Spa Filter Replacement Compatible with Pleatco PWW50P3(NOT PWW50P4), for Unicel 6CH-940, for Filbur FC-0359, for Waterways 817-0050, Spa Hot Tub Filter for VikingPhoto 2 of PACETAP 1 1/2" SAE Thread Screw in Spa Filter Replacement Compatible with Pleatco PWW50P3(NOT PWW50P4), for Unicel 6CH-940, for Filbur FC-0359, for Waterways 817-0050, Spa Hot Tub Filter for Viking