Breaks up plugged tanks. Flushes clean the entire waste system including tank, pipe, valve, and drain hose. Simply attaches to your valve with a quick twist. Clear plastic makes it easy to see when waste system is clean. Includes an internal backflow preventor and anti-siphon valve for attachment to freshwater faucet, to protect the fresh water supply. Shutoff valve has easy-to-turn knob.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov