Submersible 2-Way Normally Closed Valves Series/ModelStd. Port SizePressure (PSI)Flow (CV)Size (h x w)"20/221/4" NPT0 - 500.024 - 1.02.75 x 1.6320/H221/4" NPT0 - 5000.010 - .1002.75 x 1.63 ×For the best viewing experience, please rotate your device to landscape mode.