3/8-Inch Male Pipe  3/8-Inch Male Flare Propane Heater Adapter.

Works with any liquid propane regulator or appliance with a 3/8 Female NPT input. 

You can use a hose to hook up to regulator from tank. 

Mr Heater Part# F276262

USE AT OWN RISK, ALWAYS CHECK FOR LEAKS, ONLY INSTALL IN PROPER APPLICATIONS.