ECO HOUSE Solar Powered Roof Vent Exhaust Stainless Steel 5-inch Fan Ideal for Roof Attic RV Boats 12 CFM Only Exhaust ventilation;

Solar Roof Vent
*A brillantly simple way to ventilate boats, caravans, green houses etc.
*Good for wall mount, Deck or Roof mount which need longer sleeve when install.
*Operates without wires, without batteries and without any running cost.