Gas Pipe Adapter - 1/2 in. MPT x 3/8 in. Male Flare | MoreBeer
3/4" and 3/8" Copper Fittings Kit - 3/4" and 3/8" Copper Fittings Kit | HVACDirect.com
10 Pack Swivel Gas Hose Fittings - Belchfire
Gas Flex Connectors
EasyFlex Steel Gas Fitting, 5/8 in. OD FLARE (15/16-16 Thread) x 1/2 in. MIP (Tapped 3/8 in. FIP) G01210 - The Home Depot
BrassCraft 1/2-in x 3/8-in Threaded Adapter Fitting at Lowes.com
LASCO 17-4827 3/8-Inch Flare by 1/8-Inch Male Pipe Thread Brass Adapter - Pipe Fittings - Amazon.com
Copper, 3/8 in, Tubing - 4WTE6|LS03100 - Grainger
Mr. Heater Propane Fitting or Natural Gas Quick Connector, 3/8-In. | Killingworth True Value
SILATU Gas Fittings Connectors - 2PCS 3/8 Inch Male Flare Gas Pipe Fittings, Brass Tube Coupler Pipe Flare Fitting - Amazon.com
1/2" Npt To 3/8" Flare Adapter
Roastove 3/8 Inch Natural Gas Quick Connect Fittings, LP Gas Propane H – Measureman Direct
3/8 OD Compression Copper Tube Union Straight Joiner Fitting Air Gas Water | eBay
1/2" Male Flare x 3/8" Male Pipe Thread - propanegear
HANSUM 3/8 Male Flare Gas Adapter Metals Brass Fittings for Copper Tubing Pipe Half Union Connector Coupling AC Tube Coupler Extension Joint Connectors Mini Split (3/8",2packs Male Flare+4packs Nut) - Amazon.com
13810 - Kamco 13810 - Gas-Tec 3/8" OD x 100' Coated Copper Refrigeration Tubing Coil (Yellow)
GasOne Propane Orifice Connector Brass Tube Fitting 3/8" Flare x 1/8" Mnpt or Male Pipe by Gas One - Walmart.com
Fairview Fittings 3/8 in. Copper Large OD POL x POL Propane Gas Hogtail - John M. Ellsworth Co. Inc.
HANSUM 3/8 Male Flare Gas Adapter Metals Brass Fittings for Copper Tubing Pipe Half Union Connector Coupling AC Tube Coupler Extension Joint Connectors Mini Split (3/8"Male Flare,2packs) - Amazon.com
4pcs 3/8 inch Flare Plug Brass Pipe Fitting NPT soft copper air water line fuel | eBay
Brass 1/8 1/4 3/8 Female to Male Threaded Hex Bushing Reducer Copper Pipe Fitting Water Gas Adapter Coupler Connector - AliExpress
Brass 1/8 1/4 3/8 1/2 3/4 Female to Male Threaded Hex Bushing Reducer – Bangrui Tools
EASTMAN 48-in 3/8-in OD Inlet x 1/2-in OD Outlet Stainless Steel Gas Connector in the Appliance Supply Lines & Drain Hoses department at Lowes.com