Three eighths inch male flare by one quarter inch female pipe thread brass fitting.
3/8 Male Flare x 3/4 Female Pipe Thread - propanegear
1/4 Propane Quick Connect Fittings, Adapter Shutoff
Hooshing 1LB Propane Gas Bottle Refill Adapter with Nepal
MENSI 3/8 Male Flare X 1/4 Quick Connect Plug for
Stainless Steel Swagelok Tube Fitting, Male Connector, 1/4, 51% OFF
1/4 Male Pipe Thread x Female POL with ACME Thread - propanegear
Female POL x 1/4 Male Pipe Thread - propanegear
2pcs/set 1lb Propane Gas Bottle Refill Adapter Kit 1/4 Npt Female
1/4 Propane Quick Connect Fittings, Adapter Shutoff
PHA38 3/8 Male Flare x 3/8 Male Flare Coupling - PROPANE HOSE