Dixon Air King AC1 Air Hose Fitting, Steel Standard Safety Clip, 5/64" Wire Diameter (Pack of 25): Universal Hose Fittings: Amazon.com: Industrial & Scientific
Dixon Valve & Coupling Universal Hose Coupling with Safety Clip AC1 - 48441109 - Penn Tool Co., Inc
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Dixon - U712 3/4" Shark-Bite Disconnect Clip ABS Plas | Wilson Company