Three eighths inch male flare by one quarter inch female pipe thread brass fitting.
Proline Series 3/8-in X 3/8-in Threaded Flare X Mip Adapter, 45% OFF
3/8 male sae flare to 1/8 male pipe thread
1/8 Male NPT 3/8 Male SAE Flare Pipe Thread Propane Natural Gas Fitting Brass
3/8 Male Flare x 1/4 Male Pipe Thread - propanegear
3/8 Male Flare x 1/4 Female Pipe Thread 90° Elbow - propanegear
3/8 Male Flare x 1/4 Female Pipe Thread - propanegear
Male Adaptor - Brass - Tubes and Fittings-14908
Hooshing 3/8 Male Flare x 3/8 Male Flare Propane Gas
Uxcell 1/4 SAE Flare Male 3/8 SAE Female Thread Tubing Brass Pipe
1/4 Male Flare x 3/8 Male Pipe Thread - propanegear
3/8 Male Flare x 1/2 Male Pipe Thread 90° Elbow - propanegear
Propane Adapter Fitting - 3/8 Female SAE Flare x 1/4 Female NPT