Brass 1/8 1/4 3/8 1/2 3/4 Female to Male Threaded Hex Bushing Reducer – Bangrui Tools
Male NPT Female NPT Steel Swivel Adapter Propane Natural Gas 1/4" 3/8" – Nash Fuel
Amazon.com: Female 1/4 Flare to Male 3/8 Flare SAE 45 Propane Natural Gas Reducer Adapter Rv : Automotive
BrassCraft 1/2 in. Female Flare x 3/8 in. MIP Brass Gas Fitting Adapter AU6- 8-6 P - The Home Depot
3/8" FNPT X 3/8" BSPP Male Brass Adapter (NPT X BSPP)
Acetylene/Fuel Gas Adapter - A Size Female to 1/4 NPT Male Acetylene/Fuel Gas Adapter "A"Female-1/4"Male | Arc-Zone.com [WES-126] - $11.96 : Arc-Zone.com, Welding Accessories Store
www.PWMall.com. PWMall-120-CB-3/8 FPT x 1/4 MPT Brass Adapter
Female 3/8 Sae 45 Flare to 1/4 Male Npt Pipe Adapter Fitting Propane Natural Gas - Walmart.com