![3/8" Left Hand Thread, Welding Hose Coupling for Acetylene Line: Amazon.com: Tools & Home Improvement 3/8" Left Hand Thread, Welding Hose Coupling for Acetylene Line: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/61Lztr+aKyL.jpg)
3/8" Left Hand Thread, Welding Hose Coupling for Acetylene Line: Amazon.com: Tools & Home Improvement
![Amazon.com: Legines Brass Hose Barb Fitting, 3/8" Hose ID Barb x 1/8" NPT Male Pipe Air Hose Connectors, 2 pcs : Industrial & Scientific Amazon.com: Legines Brass Hose Barb Fitting, 3/8" Hose ID Barb x 1/8" NPT Male Pipe Air Hose Connectors, 2 pcs : Industrial & Scientific](https://m.media-amazon.com/images/I/614ODi1TgiL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Legines Brass Hose Barb Fitting, 3/8" Hose ID Barb x 1/8" NPT Male Pipe Air Hose Connectors, 2 pcs : Industrial & Scientific
![Anderson Metals 750068-0608 Pipe Connector, 3/8 x 1/2 in, Compression x Male, Lead-Free Brass, 200 psi Pressure | HardwareStore.com Anderson Metals 750068-0608 Pipe Connector, 3/8 x 1/2 in, Compression x Male, Lead-Free Brass, 200 psi Pressure | HardwareStore.com](https://www.hardwarestore.com/media/catalog/product/6/5/653777_1.jpg?quality=80&bg-color=255,255,255&fit=bounds&height=&width=)
Anderson Metals 750068-0608 Pipe Connector, 3/8 x 1/2 in, Compression x Male, Lead-Free Brass, 200 psi Pressure | HardwareStore.com
![Proline Series 3/8-in x 3/8-in Compression x Mip Adapter Coupling Fitting in the Brass Fittings department at Lowes.com Proline Series 3/8-in x 3/8-in Compression x Mip Adapter Coupling Fitting in the Brass Fittings department at Lowes.com](https://mobileimages.lowes.com/productimages/d9af8d23-f02d-4695-a402-7941810ca85c/09386915.jpg?size=pdhism)
Proline Series 3/8-in x 3/8-in Compression x Mip Adapter Coupling Fitting in the Brass Fittings department at Lowes.com
![Dixon Valve & Coupling - 9/16" Left Hand Thread, Welding Hose Adapter - 48763429 - MSC Industrial Supply Dixon Valve & Coupling - 9/16" Left Hand Thread, Welding Hose Adapter - 48763429 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/4876342-24.jpg)
Dixon Valve & Coupling - 9/16" Left Hand Thread, Welding Hose Adapter - 48763429 - MSC Industrial Supply
![1/2" Hose ID, 3/8" NPT Male Barb Hose/Tubing Fitting Connector: Amazon.com: Tools & Home Improvement 1/2" Hose ID, 3/8" NPT Male Barb Hose/Tubing Fitting Connector: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/21KA7UG8TtL._AC_UF1000,1000_QL80_.jpg)
1/2" Hose ID, 3/8" NPT Male Barb Hose/Tubing Fitting Connector: Amazon.com: Tools & Home Improvement
![3/8" Hose x 1/4" Male Pipe (PTF Short), 105 'B‚√Ñ√∂‚àö√ë‚àö¬• Series, Field Attachable Hose Fitting - Hi-Line Inc. 3/8" Hose x 1/4" Male Pipe (PTF Short), 105 'B‚√Ñ√∂‚àö√ë‚àö¬• Series, Field Attachable Hose Fitting - Hi-Line Inc.](https://cdn11.bigcommerce.com/s-scmrv6kkrz/images/stencil/500x659/products/187031/160007/3-8-male-pipe-ptf-short-1-5-b-series-field-attachable-hose-fittings-10506b106__51954.1568390167.jpg?c=2)
3/8" Hose x 1/4" Male Pipe (PTF Short), 105 'B‚√Ñ√∂‚àö√ë‚àö¬• Series, Field Attachable Hose Fitting - Hi-Line Inc.
![Dixon OA71 Acetylene Hose Brass Fitting, Coupler, 9/16"-18 UNF Left Hand Female, 1/4" Hose ID Barbed: Amazon.com: Industrial & Scientific Dixon OA71 Acetylene Hose Brass Fitting, Coupler, 9/16"-18 UNF Left Hand Female, 1/4" Hose ID Barbed: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/41gvfdnq-LL._AC_.jpg)
Dixon OA71 Acetylene Hose Brass Fitting, Coupler, 9/16"-18 UNF Left Hand Female, 1/4" Hose ID Barbed: Amazon.com: Industrial & Scientific
![1/8" 1/4" 3/8" Npt Male X 1/8" 3/16" 1/4" 5/16" 3/8" Hose Barb Tail Brass Fuel Fittings Connectors Adapters 229 Psi - Pipe Fittings - AliExpress 1/8" 1/4" 3/8" Npt Male X 1/8" 3/16" 1/4" 5/16" 3/8" Hose Barb Tail Brass Fuel Fittings Connectors Adapters 229 Psi - Pipe Fittings - AliExpress](https://ae01.alicdn.com/kf/HLB1Yw0IXPzuK1RjSspeq6ziHVXaX/1-8-1-4-3-8-NPT-Male-x-1-8-3-16-1-4-5.jpg_.webp)
1/8" 1/4" 3/8" Npt Male X 1/8" 3/16" 1/4" 5/16" 3/8" Hose Barb Tail Brass Fuel Fittings Connectors Adapters 229 Psi - Pipe Fittings - AliExpress
![5/8"-18 Unf Male 3/8" Flare Sae X 1/4" Bspp Male Left Hand Coupler Connector Adapter Brass Pipe Fitting For Fuel Gas Water Valve - Pipe Fittings - AliExpress 5/8"-18 Unf Male 3/8" Flare Sae X 1/4" Bspp Male Left Hand Coupler Connector Adapter Brass Pipe Fitting For Fuel Gas Water Valve - Pipe Fittings - AliExpress](https://ae01.alicdn.com/kf/H3a5c1f285d2c45c4af1b956fc9ebd99bs/5-8-18-UNF-Male-3-8-Flare-SAE-x-1-4-BSPP-Male-Left-Hand.jpg_.webp)