Roof Vent 12V ,355 X 355 (14 Inch x 14 Inch). 12v exhaust fan with switch. Vent manually opens, includes easy to remove flyscreen.Fits into hole 355mm X 355mm (14 Inch x 14 Inch).Internal cover protrudes only 5mm below ceiling.External Lid sits 120mm above roof when closed.Upper Roof Flange 415mm X 415mmInner Ceiling Flange 405mm X 405mm
