We are very professional supplier of fans in China, such asventilation fan or industrial fan ,wall fan and so on, for moreinformation, please kindly ask our . We offer good quality productonly.We offer very special prices to our customer.for 6" RoundShop-Window Mounted ventilation fan the prices is FOB CHINA$2.88,and for 8" Round Shop-Window Mounted ventilation fan the.Very fast and safety delivery shippment, usually delivey dateabout 30days after comfirn order. If you have any questions, pleasefeel free to contact us. We accept small orders! Our client?s TELis: 86-757-22898220