Ideal for allergy sufferers & asthmatics. Features: Handy air purifier with USB connection for traveling or for the office. Innovative four-stage air disinfection and filtration without chemicals. Removes allergens such as pollen and fine dust, house dust, mold spores, dust mites, animal dander, odors, bacteria and invisible pollutants (e.g. formaldehyde). Suitable for rooms up to 7 m³. Fan speed adjustable to three levels. Especially quiet (= 30 dBA in fan speed 1). Purification filter is especially durable (approx. 3 - 6 months). Can be set up immediately, USB connection cable and filter set included. Specifications: Dimensions: H:19.0 x W:7.0 x D:7.0 cm. Weight: 1.0 kg. Colour: Black. Guarantee: 2 Years. Model Number: 60101. The Gastroback Air Purifier AG+ AirProtect Portable is ideal for moving from room to room and has a USB connection for easy use.The portable air purifier uses an innovative 4 stage purifying and filtration without the use of harmful chemicals and can remove 99% of viruses making them inactive. Efficient in removing pollen, fine dust, mold spores, dust mites and animal dander, bacteria and invisible pollutants.The air purifier uses disinfection and filtration with an activated carbon filter, silver ion filter and anion air filter technology.Suitable for rooms up to 7m2 with CADR 25m3 purification speed with an adjustable 3 level fan speed, speed 1 is rated at 30dBA for quiet use. The purification filter lasts for 3 -6 months.Energy 3 watts. Weight 400g. Dimensions: 18.8(H) x 6.8(W) x 6.8(D)cm.The Gastroback Air Purifier AG+ AirProtect Portable is supplied with a 2 year manufacturer's guarantee.