Check Valve ‘AFA’ FIG977 Dual Flap Wafer Check Valve ‘AFA’ FIG977-H Dual Flap Wafer Check Valve ‘AFA’ FIG98 Silent Check Valve ‘AFA’ FIG98-H Silent Check Valve ‘LEDE’ H44X Swing Check Valve ‘LEDE’ H84X Swing Check Valve (Grooved End) ‘MIHA’ MBCV01 Brass Spring Check Valve ‘CRANE’ D138 Bronze Swing Check Valve