WARNING: This product can expose you to chemicals including lead or lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information regarding Prop 65, visit www.P65Warnings.ca.gov
Completely clear your water lines with RV blow-out plugs. Screw the plug into the city water inlet, open all drains and faucets, attach and activate air pump until all lines are clear. Patented.