SHARP FU-Z31E-W Air PurifierOverview Breathe pure, clean and hygienic air bringing the Sharp Air Purifier FU Z31E W. This air purifier is packed to the hilt with unique and exciting features which ensure clean, hygienic and germ free air for your home or office. Key Features Plasmacluster Ion Generator 230 Square Feet Area Coverage Odour Sensor Automatic Operation HEPA and Active Carbon Filter Air Purification System 44dB Maximum Noise Level Clean Sign Indicator Specifications