POPULA FTM series Double Direction Thin Type Purifying Ventilator Product Feature 1.Double Direction Exchange Air : Multi-wings impeller design;high efficiency smooth double suction worm gear ducts to ensure the high efficiency and pressure,re-exchange the fresh air rapidly. 2.Casing : Modular design , easy to maintain and assemble or disassemble.Ensure the casing is strong and stable. 3.Control:LCD control as standard,three level of speed adjustment. 4.Purifying : Component of primary,middle and high efficient filter as well as activated carbon filtration systems,high efficiently purified,odour removed. PRODUCTS INFO Brand:POPULA Electric Current:AC Power:80-240w Voltage:220V Frequency: 50HZ Air Volume:150-550M3/h Air Pressure:150-240 Pa Speed:960r/min ,1450r/min,2960r/min Max Noise: