We are offering exhaust fans. exhaust fan specifications1, the exhause fan use of long-life motor, lower heat, lower noise, high safety factor, in line with international standards.2, detachable oil cups, so cleaning is more convenient and faster.3.compact snap, no welding, so that the frame body, venetian more refined and more flexible.4.easy disassembly of parts, and also easy to clean and maintain.5.speed and fan blade runner is perfuct combination to achieve a lower noise.6.abs full plastics material .7.low power high efficiency 8.exhause fan easy installation exhause fan wall-mounted and glass-mounted full plastic ventilation fan 1) exhause fan is abs full plastics, wall-mounted and glass-mounted both 2) newly-developed model design 3) small power consumption 4) strong wind 5) noiseless 6) super quiet design enables us free from disterbance 7) exhause fan have 4" and 6" 8'' 10'' 12''available