Photo 1 of 1-1/4 in. to 1-1/2 in. Threaded ABS Sump Pump Check Valve

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Photo 1 of 1-1/4 in. to 1-1/2 in. Threaded ABS Sump Pump Check Valve Photo 2 of 1-1/4 in. to 1-1/2 in. Threaded ABS Sump Pump Check Valve