Camco RV Brass Blow Out Plug

Completely clear your water lines with the Camco RV Brass Blow Out Plug. Screw the plug into the city water inlet, open all drains and faucets, attach and activate the air pump until all lines are clear. Patented.
 
Helps clear the water lines in your RV during winterization and dewinterization
Built with brass
Screws into RV city water inlet
Heavy-duty
Makes winterizing your RV easy