The original patented (U.S. Patent # D600,323) Blowout Plug design properly clears freshwater lines to winterize your RV, travel trailer, camper, boat, pressure washers, sprinkler systems, or any water line that has a female garden hose connection. The purging of water helps prevent damage/destructi...

For Winterizing and descaling. The quick and easy way to winterize inboard and outboard engines. All you need is a hose, flusher attachment and Star brite Anti-Freeze.