Superior Pump 99555 Universal Check Valve, Plastic, Fits all 1-1/4-Inch or 1-1/2-Inch MIP or FIP, Black (Pack of 1)

Amazon.com Price: $6.73 (as of 02/01/2024 23:57 PST- Details)

Will fit any 1-1/4-inch or 1-1/2-inch NPT male or female thread
Made from durable ABS plastic
High quality Nitril-Bruna N seal