Solar Vent, has a raised cowl and a clear plastic lens outside diameter 215mm, height 50mm after installation.  The cut-out  required for the vent is 120mm.  These vents will extract 11.3 cu ft minimum under full sun.  Can be used in boats, caravans, motorhomes, horseboxes etc.  Powered by the sun, no noise, water resistant and pollution free.

Boat/Caravan fixing - use number 6 stainless steel screws through the eyelets.  Use a suitable recommended mastic as a seal between the plastic ventilator and the surface being used.

Glass Fixing - Solar vents can be fixed into any surface of glass at any angle.  If possible use an equator facing window or roof.

Wall Fixing -  Solar vents can be fitted into a wall or other materials with a thickness greated than 40mm.  Use no 6 screws with suitable raw plugs inserted through the eyelets.  Tube with internal diameter between 116m and 120mm cut to required length.