USA Industrials ZUSA-TF-QD-A-16 Plastic Quick-Disconnect Tube Couplings; Type: Panel Mount Hose Barb-Male Plug; Panel Mount Hose Barb-Male Plug ; Nominal Flow Size: 1/8 (Inch); Tube Inside Diameter: 3/16 (Inch); Material: Acetal ; O-Ring Material: EP