$64.99 PM20 RC 1/4 Male Thread Quick Release Coupler Connector Air Line Hose Coupling Compressor Pack 
Kiowa Ltd. - 1 1/4 BSP x 40mm PVC Male Hose Tail - | Kiowa Ltd | Industrial Components Online Store
5PC 1/4 Truflate Type Brass Air Hose Couplers Quick Connector Fitting Set | eBay
