Please try to order single quantity in an order. Meanwhile you can place multiple orders but keep it single quantity. Package Includes 225 mm (9 inch) Krishaus Homeshield Fresh air Fan. A vital way of maintaining a good health is appropriate air regulation which keeps bad odours, impurities and other contaminants away and stops the formation of mould inside your house. We are known as one of the leading Exhaust Fans Manufacturers and Suppliers, based in India. The Exhaust Fans, which we provide, are made from 100% copper wire coupled with heavy-duty motor for efficient performance.