Amazon.com: SILATU Air Hose Repair Kit - 1/4 Inch Air Hose Fittings, Solid Brass Reusable Air Hose Splicer 1/4 Inch ID, 2PCS : 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
1/4", 3/8" & 1/2 Hose Repair Kit
Husky 1/4 in. Hose Repair Kit (5-Piece) 41303HOM - The Home Depot
Husky 5-Piece 1/4 in. Air Hose Repair Kit HKATA071012 - The Home Depot
1/4 in. I.D. Air Hose Repair Kit, 7-Piece
7pc 3/8" Air Hose Repair Fix Kit Uniter or End Mender for 1/4" NPT Tools Splice | eBay
TPHD Air Hose 1/2 Inch Repair Kit - Elite Truck Accessories