AOV Automatic Vent Smoke Extractor Ventilation Fan High Temp w/Control Panel Kit. The item "AOV Automatic Vent Smoke Extractor Ventilation Fan High Temp withControl Panel Kit" is in sale since Thursday, August 6, 2020. This item is in the category "Home, Furniture & DIY\DIY Materials\Windows & Window Hardware\Home Windows". The seller is "farshglim2006" and is located in London. This item can't be shipped, the buyer must pick up the item.