Model 888 silent wafer check valves from Flomatic Corp. feature EPSM elastomers and are NSF/ANSI Standard 61 certified for drinking water systems. 800/833-2040; www.flomatic.com.
Model 888 silent wafer check valves from Flomatic Corp. feature EPSM elastomers and are NSF/ANSI Standard 61 certified for drinking water systems. 800/833-2040; www.flomatic.com.