Photo 1 of PACETAP 1 1/2" SAE Thread Screw in Spa Hot Tub Filter Replacement 2 Pack Compatible with Pleatco PWW50P3, for Unicel 6CH-940, for Filbur FC-0359, for Waterways 817-0050, for Viking spa Filter

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Photo 1 of PACETAP 1 1/2" SAE Thread Screw in Spa Hot Tub Filter Replacement 2 Pack Compatible with Pleatco PWW50P3, for Unicel 6CH-940, for Filbur FC-0359, for Waterways 817-0050, for Viking spa FilterPhoto 2 of PACETAP 1 1/2" SAE Thread Screw in Spa Hot Tub Filter Replacement 2 Pack Compatible with Pleatco PWW50P3, for Unicel 6CH-940, for Filbur FC-0359, for Waterways 817-0050, for Viking spa Filter