WATTS® Swing Check Valve, 411-LW Series, 4 in Nominal, Flanged Connection, 300 psi, 125 lb Pressure Class, Ductile Iron Body, Epoxy-Coated
WATTS® Swing Check Valve, 411-LW Series, 4 in Nominal, Flanged Connection, 300 psi, 125 lb Pressure Class, Ductile Iron Body, Epoxy-Coated