Easily connects the Bottle & Carboy Washer (CE10) to most kitchen sink faucets. Stainless steel construction. Comes with two washers. For outside threaded faucets use adapter with only one washer; for inside threaded spout use both washers. Simply unscrew the screen assembly at the end of your faucet and screw the adapter in place. Bottle & Carboy Washer sold separately.