and aluminum

But the Optimus Eye and Face Wash Combination is more than what meets the eye

: 8 1/8 in

This central area is 2-1/2 inches in diameter

Molded base fits securely onto drum thumb screws quickly tighten for added security

Hayward Check Valve, 2 1/2 in, Single, Inline True Union, CPVC, FNPT x FNPT - TC2250TE Nominal Size-54" X 42" X 1.31" and aluminumDesigned to help prevent the reversal of flow in piping systems where backflow could cause damage to filters, pumps, or process equipment. This HAYWARD check valve operates without the need for any adjustments or settings, and features an innovative square cut elastomer seat to seal at low back pressures. The true union design eases valve removal from piping systems without having to break down the pipe connections.