4-in-1 heater, humidifier, fan and air purifiers the Arctic Blast rages from the northwest to the northeast bringing record-low temperatures in 22 U.S. States, you and your family need envion s four seasons, which provides the ideal solution for these freezing winter temperatures. This one-of a kind product features a heater, humidifier, fan and air purifier - all built into one space-saving machine, so your family can enjoy the warmth of an adjustable electric heater without drying out your skin or the air around you. With 3 heat settings, this electric air cleaner generates healthy, moist heat in medium to large rooms. The true HEPA filter removes mold, mildew, smoke, viruses, germs and pet dander. This is the perfect product to keep your home comfortable and warm all season long.