uxcell 19mm Blue Silicone Blanking Cap Intake Vacuum Hose End Bung Plug Inner Diameter: 19mm / 0.75"; Product Name: Silicone Blanking Cap Material: Silicone Color: Blue Package Content: 1 x Silicone Blanking Cap Dimensions: 35 x 27mm/1.4 x 1 inches(L*D)