4FT/6FT Propane Adapter Hose 1lb to 20lb Converter For QCC1/Type1 Tank,Gas Grill
And the other side of the QCC1 (Type 1) to the low pressure propane tank. Connect the black male end to the Type 1/QCC 1 propane circulation tank, and connect brass fitting end to the 1lb propane tank, allows connection to more fuel.