![Proline Series 1/4-in x 1/4-in Compression Coupling Union Fitting in the Brass Fittings department at Lowes.com Proline Series 1/4-in x 1/4-in Compression Coupling Union Fitting in the Brass Fittings department at Lowes.com](https://mobileimages.lowes.com/productimages/ff41a46e-fd3b-41d6-888d-994fe6b983d9/63180815.jpg?size=pdhism)
Proline Series 1/4-in x 1/4-in Compression Coupling Union Fitting in the Brass Fittings department at Lowes.com
![Amazon.com: LASCO 19-6183 Push-in Fitting with 3/8-Inch OD Tube and 1/4-Inch Compression Female Thread, Plastic : Industrial & Scientific Amazon.com: LASCO 19-6183 Push-in Fitting with 3/8-Inch OD Tube and 1/4-Inch Compression Female Thread, Plastic : Industrial & Scientific](https://m.media-amazon.com/images/I/61cxrPb1wnL.jpg)
Amazon.com: LASCO 19-6183 Push-in Fitting with 3/8-Inch OD Tube and 1/4-Inch Compression Female Thread, Plastic : Industrial & Scientific
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Amazon.com: Ice Maker Water Line Brass Compression Tube Fitting, 1/4” OD x 1 /4” OD (5) : Industrial & Scientific
![Ironwerks 7/16" OD Tube Both Ends Lead-Free Brass Compression Union Fitting, Use With Copper, Aluminum, Plastic Tubing, Watertight Seal Waterlines or Air Pneumatic Lines- 2 Pack - Amazon.com Ironwerks 7/16" OD Tube Both Ends Lead-Free Brass Compression Union Fitting, Use With Copper, Aluminum, Plastic Tubing, Watertight Seal Waterlines or Air Pneumatic Lines- 2 Pack - Amazon.com](https://m.media-amazon.com/images/I/51jsscI0CzL.jpg)
Ironwerks 7/16" OD Tube Both Ends Lead-Free Brass Compression Union Fitting, Use With Copper, Aluminum, Plastic Tubing, Watertight Seal Waterlines or Air Pneumatic Lines- 2 Pack - Amazon.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 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)
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
![Made in USA - Compression Tube Connector: 1/4 & 3/4-20″ Thread, 1/2″ Tube OD, Compression x Threaded - 32874588 - MSC Industrial Supply Made in USA - Compression Tube Connector: 1/4 & 3/4-20″ Thread, 1/2″ Tube OD, Compression x Threaded - 32874588 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/3287458-24.jpg)
Made in USA - Compression Tube Connector: 1/4 & 3/4-20″ Thread, 1/2″ Tube OD, Compression x Threaded - 32874588 - MSC Industrial Supply
![Amazon.com: Legines Brass Compression Tube Fitting, Union, 1/4" OD x 1/4" OD Coupler, Pack of 2 : Industrial & Scientific Amazon.com: Legines Brass Compression Tube Fitting, Union, 1/4" OD x 1/4" OD Coupler, Pack of 2 : Industrial & Scientific](https://m.media-amazon.com/images/I/51JdaiNr9VL._AC_UF894,1000_QL80_.jpg)