Kinetic Water Ram Manual Drain CleanerMfr # KR C WC. Here's a compact, lightweight Kinetic Water Ram Pipe cleaning tool for quickly opening clogged sinks, toilets, and tubs. It handles rust, grease, sediment, and scale in lines up through 4 in diameter. The Kinetic Water Ram uses a burst of compressed air that drives a shock wave kinetic energy through water to break up stoppage It's particularly useful when the stoppage is on the far side of a drum trap or series of tight bends, since