The Oregon Scientific WS908 NCCO Compact Air Sanitizing System for Cars / Desktops was introduced to remove harmful substances in the air and reduce odors and airborne bacteria inside the vehicle or in a small area. It is a portable air sanitizing device powered by the car?s adaptor and USB ports. Simply plug the NCCO Compact Air Sanitizing System in your car when you are driving and connect it to a USB port at work to bring along fresher air with you all day long. It is an excellent air sanitizing device specially designed for modern executives who are always on the go. If you are a regular passenger, the NCCO Compact Air Sanitizing System makes a nice present for your driving partner. The WS908 I-Fresh compact air purifier adapts to small spaces such as the interior of your car to purify and improve the air quality. Eliminates viruses, odors, bacteria, molds, dusts ... Air cleaning system in 4 steps. NCCO technology for the decomposition of undesirable substances. Supplied w CREATES CLEANER AIR IN YOUR HOME OR OFFICE ELIMINATES VIRUSES AND BACTERIA (99.95% of influenza viruses (H3N2) in 15 minutes, 99.99% of bacteria (Staphylococcus albus)) ELIMINATES ODORS (eliminates 99.52% of volatile organic compounds) PROTECTS AGAINST ALLERGIES (eliminates 99.72% of respirable particles in suspension (smoke, ...) REAL TIME DISPLAY OF AIR QUALITY : digital display and LED indicator, FILTER DURATION UP TO 3 YEARS EASE OF USE : a single button: on / off with lighting PORTABLE AND EASY TO CHARGE EASE OF MAINTENANCE AND SAVINGS : the Nano-filter can last up to three years and is easy to replace NCCO (NANO-CONFINED CATALYTIC OXIDATION)