![B&K 3/8-in x 3/8-in Threaded Male Adapter Union Fitting in the Brass Fittings department at Lowes.com B&K 3/8-in x 3/8-in Threaded Male Adapter Union Fitting in the Brass Fittings department at Lowes.com](http://mobileimages.lowes.com/productimages/119e2869-64d0-4d65-9386-b2514216e616/09387137.jpg)
B&K 3/8-in x 3/8-in Threaded Male Adapter Union Fitting in the Brass Fittings department at Lowes.com
![B&K 3/8-in x 3/8-in Threaded Male Adapter Nipple Fitting in the Brass Fittings department at Lowes.com B&K 3/8-in x 3/8-in Threaded Male Adapter Nipple Fitting in the Brass Fittings department at Lowes.com](http://mobileimages.lowes.com/productimages/317dde31-26a7-406e-bfed-0a106feea179/09387024.jpg)
B&K 3/8-in x 3/8-in Threaded Male Adapter Nipple Fitting in the Brass Fittings department at Lowes.com
![Parker - 9/16-18 x 3/8 Male Male Straight Thread O-Ring x Male NPTF 11/16" Hex Industrial Pipe Adapter - 72519184 - MSC Industrial Supply Parker - 9/16-18 x 3/8 Male Male Straight Thread O-Ring x Male NPTF 11/16" Hex Industrial Pipe Adapter - 72519184 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/7251918I-21.jpg)
Parker - 9/16-18 x 3/8 Male Male Straight Thread O-Ring x Male NPTF 11/16" Hex Industrial Pipe Adapter - 72519184 - MSC Industrial Supply
PARKER Female x Male Adapter: Brass, 3/8 in x 3/8 in Fitting Pipe Size, Female NPT x Male NPT - 13Y822|VS222P-6-6 - Grainger
GRAINGER APPROVED Reducing Adapter: Brass, 1/2 in x 3/8 in Fitting Pipe Size, Female NPT x Male NPT - 46M451|706120-0806 - Grainger
![Parker - 3/8 Male 1/2 Female MNPTF x FNPTF Industrial Pipe Adapter - 83295675 - MSC Industrial Supply Parker - 3/8 Male 1/2 Female MNPTF x FNPTF Industrial Pipe Adapter - 83295675 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/8329567-23.jpg)