From: Greenhouse Fans, Louvres, Vent Openers and Shading : Greenhouse Fans
Simply fit the powerful Extractor Fan within your greenhouse, plug in, switch on and the fan will draw the hot air out of your greenhouse, thus safeguarding your plants.
By using the extractor fan at the same time as having the door or windows open, air will be circulated throughout your greenhouse for a healthier growing environment.
Wattage: 32 watts.
Size: 8½" (21.5cm) diameter x 2 1/8" (5.5cm) deep (please note these are not fixing dimensions)
Weight: 1.06kg (2½ lbs)
To install - you’ll need to cut a hole in a pane of your greenhouse glass to mount the fan, to be the most effective the extractor fan should be fitted as high as possible.