VentiFresh Plus- Car Pack model is the answer to the call from clean-air seeking commuters nationwide. Inspired by NASA using similar technology in the space, VentiFresh is an odor eliminator designed with UV photocatalyst method to enhance fresh indoor air. This UVC-empowered model removes household smells and germs with no masking chemicals, it works by promoting air circulation with a motor fan and breaking down odor molecules and yields fresh air. No filter and maintenance-free, the device is powered by plugging into the DC5V adaptor or your own power bank (not included). Sized like a lemon fruit the device is small, portable and safe to accommodate a carefree life style. Even the accessory parts were built with details, as commented by real user: "The included auto vent accessory is the best built one I have ever seen"! VentiFresh ECO is perhaps the easiest method to keep all nature air around your personal space on the go.