Have a tight spot that requires your nozzle body Check valve be on the Left hand side instead of the Right hand side? Well this is it. 5-way Pro-flow nozzle body with a left hand check alve (the opposite of Hypro's usual right hand check valve. featuring viton seals. Square Lug quick attach design works with standard Hypro, teejet, Arag square lug quick attach nozzle caps.