|970mm x 530mm. Supplied with Breakglass Hammer. Suits roof thickness 30-70mm. Cut-out required: 970mm x 530mm. Grey polypropylene frame. Smoked glass dome (manufactured to meet ECE 43R Directive). Manufactured to 2001/85/EC Directive. High quality silicone gaskets. Easy to mount internal frame. Pre-drilled mounting holes in outside frame. Electric version available to special order. 14kg.