Camco’s Horizontal Two Stage Propane Regulator has integral first and second stages that ensure smoother, more consistent flow of gas to all appliances. Its inlet is a female POL tank connection and the outlet is a 3/8″ female NPT. The outlet pressure is 11″WC and has a 160,000 BTU/hr capacity. Use Camco’s 59843 20″ Pigtail Propane hose Connectors – ACME x 1/4″ male NPT to connect to a 20 lb or 30 lb LP tank with ACME threads.