These unique silicone faucet plugs are a universal size so they suit any tap faucet of a diameter 14mm up to 17mm. The plug is an economical solution for controlling fruit flies, yeast and bacteria bulidup when the faucet is not in use. The silicone compound is resistant to caustic and acid based cleaners as well as high temperature so it is dishwasher safe. Features: - Food grade silicone - Fits all Keg King taps, pluto guns, fermenter taps, and many other tap designs Note: only available in black