This is a great wide brush plug is compatible with all US standard beer faucets. To pull out, gently twist the brush to scrub off precipitate inside your beer spout. And when installing, plug into your spout until firmly sealed to keep bugs away. The head of our faucet plug is made of solid ABS, we use a flexible strong polyamide for the bristle, and 304 stainless steel for the twisted wire part. The wire can not be pulled out of the handle because the handle is firmly staked onto wire. Before close of business, simply insert the plug into your beer tap mouth to keep your beer from dust and other contaminates. Our faucet brush can help clean your taps by removing sediment for better tasting brew. This plastic beer tap plug brush fits a variety of beer tap sizes available in the market. For easy cleaning, simply soak the brush in water with sanitizing solution and rinse before each use. This beer tap plug brush is made of food-grade 304 stainless steel that is commonly used in kitchen taps. And 304 stainless steel, even after prolonged exposure to liquid, doesn’t get rusty and will not contaminate your beer.