Fuel Guard: AVD-2

Fuel Guard: AVD-2

H2Out AVD-2 installs on the fuel tank air vent line to protect engines and fuel tanks-up to 60 gallons-from water vapor. The vapor condenses into water in the tank, which creates sludge, and causes corrosion leading to engine failure.


  • Commercial Fishing Vessels
  • Emergency Vehicles
  • Power Boats
  • Sailboats
  • Trawlers

Technical Specifications

  • Protect fuel tanks to 60 gallons
  • 3" D x 4.5" L (17 oz), fits the standard 5/8" (inside diameter) vent line
  • Capture water vapor before it condenses in fuel tank
  • Prevents water damage of fuel tank and engine systems