D & S System Sanke Keg Coupler Flusher - Cleaning ToolThe Sanke Single Series Flusher is a professional service tool for the efficient cleaning of draught beverage lines. This cleaning cup assembly allows technicians to "bridge" American 'D' system or European 'S' system couplers into a single cleaning loop. By connecting your keg couplers to this flusher, you can circulate cleaning chemicals through shanks and faucets without removing the couplers from the lines, significantly reducing labor time and