This is Atlantic Water Garden's 1 1/2" - 2" Universal Check Valve . We have a large selection of Installation Tools/Plumbing and other water features from Atlantic Water Gardens.
Manufacturer's Description
Atlantic's Triton Check Valve is the only check valve designed exclusively for the water garden industry. The öswing style' Triton Check Valve features a 2" socket union on the inlet, 2" and 1_" socket unions for the outlet, a molded-in 90? elbow, and a slim design that allows clearance when installed with direct drive pumps. If simplicity and innovation is what you seek, Triton delivers!