![Amazon.com: Plastic Hose Barb Reducer Fittings, 3/8" to 1/4" Hose Barb Reducer Pipe Fittings Adapter for Air Water Fuel (Pack of 8) … : Industrial & Scientific Amazon.com: Plastic Hose Barb Reducer Fittings, 3/8" to 1/4" Hose Barb Reducer Pipe Fittings Adapter for Air Water Fuel (Pack of 8) … : Industrial & Scientific](https://m.media-amazon.com/images/I/41+LPnJlHfL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Plastic Hose Barb Reducer Fittings, 3/8" to 1/4" Hose Barb Reducer Pipe Fittings Adapter for Air Water Fuel (Pack of 8) … : Industrial & Scientific
![Amazon.com: JoyTube Plastic Hose Barb Reducer Pipe fittings, 3/8" to 1/4" Hose ID Connectors Joint Splicer Mender Adapter Union Boat Water Air Aquarium O2 Fuel (Pack of 3 ) : Industrial & Scientific Amazon.com: JoyTube Plastic Hose Barb Reducer Pipe fittings, 3/8" to 1/4" Hose ID Connectors Joint Splicer Mender Adapter Union Boat Water Air Aquarium O2 Fuel (Pack of 3 ) : Industrial & Scientific](https://m.media-amazon.com/images/I/31+6IwCM+5L._AC_UF894,1000_QL80_.jpg)
Amazon.com: JoyTube Plastic Hose Barb Reducer Pipe fittings, 3/8" to 1/4" Hose ID Connectors Joint Splicer Mender Adapter Union Boat Water Air Aquarium O2 Fuel (Pack of 3 ) : Industrial & Scientific
![John Guest 3/8 in. O.D. x 1/4 in. MIP NPTF Polypropylene Push-to-Connect Adapter Fitting 803269 - The Home Depot John Guest 3/8 in. O.D. x 1/4 in. MIP NPTF Polypropylene Push-to-Connect Adapter Fitting 803269 - The Home Depot](https://images.thdstatic.com/productImages/e5ebf481-28c7-447d-bd03-3bd12cba7cad/svn/white-john-guest-polypropylene-fittings-803269-c3_600.jpg)
John Guest 3/8 in. O.D. x 1/4 in. MIP NPTF Polypropylene Push-to-Connect Adapter Fitting 803269 - The Home Depot
![SharkBite 1/4-in OD Push-to-Connect x 1/4-in Compression Female Adapter in the Push to Connect Fittings department at Lowes.com SharkBite 1/4-in OD Push-to-Connect x 1/4-in Compression Female Adapter in the Push to Connect Fittings department at Lowes.com](https://mobileimages.lowes.com/productimages/5b97193d-d5ae-47d3-a313-43e158fe066f/08302186.jpg?size=pdhism)
SharkBite 1/4-in OD Push-to-Connect x 1/4-in Compression Female Adapter in the Push to Connect Fittings department at Lowes.com
![Anderson Metal 53701-0406 / 52674B 3/8 By 1/4 Inch Plastic Tubing Male Adapter: Nylon Insert Fittings (719852915652-1) Anderson Metal 53701-0406 / 52674B 3/8 By 1/4 Inch Plastic Tubing Male Adapter: Nylon Insert Fittings (719852915652-1)](https://pdt-images.cdn.hardwareandtools.net/original/719852915652.webp?vkey=k1wK5GWV3je9Z2BpaIkSWma+FkVKERCzPzkBzPmiojc=)
Anderson Metal 53701-0406 / 52674B 3/8 By 1/4 Inch Plastic Tubing Male Adapter: Nylon Insert Fittings (719852915652-1)
![Amazon.com: JoyTube Plastic Hose Barb Reducer Pipe fittings, 3/8" to 1/4" Hose ID Connectors Joint Splicer Mender Adapter Union Boat Water Air Aquarium O2 Fuel (Pack of 3 ) : Industrial & Scientific Amazon.com: JoyTube Plastic Hose Barb Reducer Pipe fittings, 3/8" to 1/4" Hose ID Connectors Joint Splicer Mender Adapter Union Boat Water Air Aquarium O2 Fuel (Pack of 3 ) : Industrial & Scientific](https://m.media-amazon.com/images/I/31ES70i2uiL._AC_UF894,1000_QL80_.jpg)
Amazon.com: JoyTube Plastic Hose Barb Reducer Pipe fittings, 3/8" to 1/4" Hose ID Connectors Joint Splicer Mender Adapter Union Boat Water Air Aquarium O2 Fuel (Pack of 3 ) : Industrial & Scientific
![JOHN GUEST 3/8 in. x 1/4 in. Polypropylene Push-to-Connect Female Compression Faucet Connector Fitting (10-Pack) PP3212U7W - The Home Depot JOHN GUEST 3/8 in. x 1/4 in. Polypropylene Push-to-Connect Female Compression Faucet Connector Fitting (10-Pack) PP3212U7W - The Home Depot](https://images.thdstatic.com/productImages/7aa68194-7fe8-433e-9970-0a4afa05d3ed/svn/white-john-guest-polypropylene-fittings-pp3212u7w-c3_600.jpg)
JOHN GUEST 3/8 in. x 1/4 in. Polypropylene Push-to-Connect Female Compression Faucet Connector Fitting (10-Pack) PP3212U7W - The Home Depot
![John Guest 3/8 in. Push-To-Connect x 1/4 in. FIP Polypropylene Adapter Fitting 803379 - The Home Depot John Guest 3/8 in. Push-To-Connect x 1/4 in. FIP Polypropylene Adapter Fitting 803379 - The Home Depot](https://images.thdstatic.com/productImages/3ee08f5d-a3cd-44bf-b724-bb579c99c0ea/svn/white-john-guest-polypropylene-fittings-803379-64_1000.jpg)
John Guest 3/8 in. Push-To-Connect x 1/4 in. FIP Polypropylene Adapter Fitting 803379 - The Home Depot
![Amazon.com: ANPTGHT Plastic Hose Barb Fitting, 3/8" Barb X 1/4" NPT Male Thread Adapter Connector Pipe Fittings for Fuel Gas Liquid Air (Pack of 5) : Industrial & Scientific Amazon.com: ANPTGHT Plastic Hose Barb Fitting, 3/8" Barb X 1/4" NPT Male Thread Adapter Connector Pipe Fittings for Fuel Gas Liquid Air (Pack of 5) : Industrial & Scientific](https://m.media-amazon.com/images/I/41Q7bqthuoL.jpg)
Amazon.com: ANPTGHT Plastic Hose Barb Fitting, 3/8" Barb X 1/4" NPT Male Thread Adapter Connector Pipe Fittings for Fuel Gas Liquid Air (Pack of 5) : Industrial & Scientific
![John Guest 3/8 in. O.D. x 1/4 in. O.D. NPTF Polypropylene Push-to-Connect Reducing Fitting 803159 - The Home Depot John Guest 3/8 in. O.D. x 1/4 in. O.D. NPTF Polypropylene Push-to-Connect Reducing Fitting 803159 - The Home Depot](https://images.thdstatic.com/productImages/36523430-f2ba-4ff3-ba44-a69ad3c4066d/svn/white-john-guest-polypropylene-fittings-803159-64_1000.jpg)
John Guest 3/8 in. O.D. x 1/4 in. O.D. NPTF Polypropylene Push-to-Connect Reducing Fitting 803159 - The Home Depot
![Ideal Vacuum | Swagelok Ultra-Torr Vacuum Fitting, 3/8 to 1/4 in Reducing Union, Connects Glass, Metal or Plastic Tubing, PN: SS-6-UT-6-4 Ideal Vacuum | Swagelok Ultra-Torr Vacuum Fitting, 3/8 to 1/4 in Reducing Union, Connects Glass, Metal or Plastic Tubing, PN: SS-6-UT-6-4](https://www.idealvac.com/files/images/reducing-union-1.jpg)
Ideal Vacuum | Swagelok Ultra-Torr Vacuum Fitting, 3/8 to 1/4 in Reducing Union, Connects Glass, Metal or Plastic Tubing, PN: SS-6-UT-6-4
![2PCS Quick Adapter 1/4'' 3/8'' Coupling Barbed Tap Tubing Connector 4/7mm 8/11mm for Drip Irrigation Garden Watering Greenhouse - AliExpress 2PCS Quick Adapter 1/4'' 3/8'' Coupling Barbed Tap Tubing Connector 4/7mm 8/11mm for Drip Irrigation Garden Watering Greenhouse - AliExpress](https://ae01.alicdn.com/kf/Ha7a52d811a7344b2a7d3da28ac930477i/2PCS-Quick-Adapter-1-4-3-8-Coupling-Barbed-Tap-Tubing-Connector-4-7mm-8-11mm.jpg)
2PCS Quick Adapter 1/4'' 3/8'' Coupling Barbed Tap Tubing Connector 4/7mm 8/11mm for Drip Irrigation Garden Watering Greenhouse - AliExpress
![Anderson Metal 53701-0604 / 52672B 1/4 By 3/8 Inch Plastic Tubing Male Adapter: Nylon Insert Fittings (719852915676-1) Anderson Metal 53701-0604 / 52672B 1/4 By 3/8 Inch Plastic Tubing Male Adapter: Nylon Insert Fittings (719852915676-1)](https://pdt-images.cdn.hardwareandtools.net/original/719852915676.webp?vkey=ssVAJjYRR2h7K9MDyCK7YpR8pn4CeHkXgAazRFQlhn8=)