uxcell Air Tube Barbed Fitting 40mm Dia Silicone Vacuum Suction Cup Product Name : Vacuum Suction Cup;Material : Silicone, Metal Color : Clear White, Silver Tone;Air Tube Connector Dia : 4.5mm/ 0.2" Suction Diameter : 40mm/1.6";Total Height : 77mm/3" Net Weight : 33g Package Content : 1 x Vacuum Suction Cup