Keep nasty pollutants and allergens away from your loved ones for longer by regularly replacing the filter in your Beurer Triple Filter Air Purifier (LR300) or Beurer Triple Filter Air Purifier with Fine Dust Sensor (LR310). Triple-layer filtration with pre-filter, HEPA class 13 and activated carbon filter HEPA Filter captures up to 99.95% of unhealthy particles in the air Activated carbon helps eliminate gases, smog and odours Extends filter life by approximately 4,320 hours Compatible with the Beurer Triple Filter Air Purifier (LR300) and Beurer Triple Filter Air Purifier with Fine Dust Sensor (LR310). Breathe easier with 3-stage purification Send allergies and respiratory stress triggers packing using three-stage purification technology. 1. Pre-filter works to capture large suspended particles such as hair and dust 2. HEPA Class 13 filter filtrates 99.95% of particles as small as 0.3 microns, including pollen, smoke and PM2.5 3. Activated carbon filter assists in absorbing odours, Benzene, Formaldehyde and VOCs German engineering at its best Beurer combines German design and engineering with state-of-the-art technology to produce market-leading products for the health, wellbeing and beauty sector. With their innovative products Beurer have become internationally renowned and have won multiple prestigious awards.