Delightful UK:\nPremium Quality, Exceptional Service\nExperience the Difference. Shop with Confidence.\n\nXPELAIR STANDARD EXTRACTOR FAN - VX100-SP\nSINGLE SPEED AXIAL FAN \n\nThe VX100-SP looks good and is a 4\"" / 100mm single speed extract fan wired to an external switch to turn it on/off.\nThis means that the fan inside the casing is approx 4\""/100mm in diameter.\nThis is how all extractor fans are sized.\nThis fan is (almost) square shaped with rounded corners.\nHeight when installed is 155mm and the width is 165mm.\nPlease refer to the images which show a diagram with all relevant dimensions of this extractor fan.\nPlease note that the SP at the end of the product code stands for Short Spigot.\nThe spigot is the round part at the back of the fan that fits into the wall.\nThis fan has a spigot that is 32mm deep which makes it ideal for shallow wall installations.\nThe spigot has a diameter of 99mm and is therefore designed to be used with 100mm ducting.\nIt is eas.