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Proline Series 3/8-in x 1/4-in Barbed Adapter Fitting in the Brass Fittings department at Lowes.com
Barbed 2 Lug Hose End | NECO® | Air Hose Couplings | Blue Dog
Stainless Push On Hose Barbs x Female Swivels 3/4" x 3/4"
Hose Fitting, 3/8 in x 1/4 in FNPT
3/8" X 1/4" MNPT Brass Air Hose Barb Fitting For 3/8" Hose – compressor -source
UH100 (3/4" X 1" Barb Chicago Air Hose Fitting Universal Crows Foot Ja
Amazon.com: SUNGATOR 12-Pack Air Hose Fittings, 3/8" Barb to 1/4" NPT Air Hose Repair Kit with Sealant, 3/8" Barb to 1/4" NPT Air Hose Barb Fitting, Brass Barbed Air Hose Repair Connector
Brass 3/16" Barb x 3/8" NPT Male Pneumatic Air Hose Fittings (Pack of 2) | eBay
Amazon.com: Brass 1/4" Barb X 1/4" NPT Male End Air Hose Pipe Fitting Threaded Connector Adapter, Pack of 5 : Industrial & Scientific
Amazon.com: WHK 12 PACK Air Hose Repair Kit Fittings 3/8 Barb to 1/4 NPT Air Hose Barb Connectors with Sealant Air Line Coupler, Brass Pipe Fittings Male Threaded with 12 Pcs Hose
Amazon.com: Brass 3/8" Barb X 1/4" NPT Male End Air Hose Pipe Fitting Threaded Connector Adapter, Pack of 12 : Industrial & Scientific
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Apache Website - 1/4" Male Pipe Thread x 3/8" Hose Barb Push-On Air Hose Fitting