Neoair all-in-one air purifier delivers multiple functions air cleaning technologies in one compact device for home or office use. It combines proven technologies such as HEPA Filter Carbon Filter and exclusive OFS antibacterial technology. The benefits are obvious: It does a better job cleaning your air costs less than several stand-alone devices takes up less space and uses less energy than separate units. Several independent certified tests show the great efficiency of this advanced air purifier. Its multistage filtration system together with the exclusive O.F.S. antibacterial technology provides a complete shield defense against a wide range of airborne pollutants.Whether you want to remove bacteria dust and pollen from the bedroom drastically reduce cigarette smoke in the den or rid the baby s room of diaper pail odors the Neoair Enviro can handle all your needs. Every room is full of potentially harmful airborne pollutants; most are virtually invisible to the naked eye but still extremely tough on our health. The enviro 68108 advanced features can automatically detect and drastically reduce them helping you and your family live more comfortably. The Neoair Enviro 68108 is not your common air purifier. It represents the future of air purification technology. Fan speeds-3 Speeds Noise level-quiet operation less than 26 dB Airflow-11.5 feet per second Compact Sharp Design-17.8 x 8.4 x 12 Wireless Remote Control Multi-Function Digital Display Neoair Enviro is not your ordinary air purifier. There are many reasons why the Enviro is among the most technologically advanced efficient air purifiers available. In addition to the state of the art 5-stage purification technologies it also offers a multitude of features and settings in its multifunction digital console. A built-in air pollution sensor has been strategically integrated to detect the severity and concentration of indoor air pollutants. As the levels of contaminants raise in the room it automatically adjusts to purify the air dynamically insuring the highest level of air quality. This sensor indicates the level of air pollution detected by the sensor. If manual operation is desired you will be able to select the fan speed that best suits your need. You can choose Low Medium and High mode. Automatic - Optimize airflow speed according to the air pollution level detected in the room. Manual - In this mode you can manually adjust the different airflow speeds. The HEPA replacement indicator illuminates when the filter needs to be replaced leaving out all the guessing. This function has been engineered to ensure your air purifier is always working in its optimal condition. A slick Timer lets you select the desired time of operation of the unit with increments of 2 4 and 8 hours. Your air purifier automatically shut off at the selected time. The lighted icon displays the ionic generating function of the unit. If light is OFF no Ion will be generated. 2 pack includes 2 replacement filter kit