Hayward PSCV2SDGR PVC Check Valve, Dark Gray

1.5" x 2" and 2" x 2.5" versions to accommodate most plumbing configurations Clear valve cover for easy viewing of sealing mechanism CPVC and PVC valve options to satisfy any plumbing requirement Optimized closing force allows for the most hydraulically efficient operation Industry lowest recommended water column height - positive seal at 12 inches