The Dyson Pure Cool Link automatically removes 99.97% of allergens and pollutants as small as 0.3 microns from your home. Including pollen, bacteria and pet dander. The Dyson Pure Cool™ Link purifier fan is wrapped with a 360°, vacuum-sealed Glass HEPA filter. A layer of activated carbon granules captures odors and harmful toxins like paint fumes. Purification all year round. Purifying fan in summer. Year-round purification and circulation. Smooth, long-range air flow to cool you in summer. Intelligent purification, automatically monitors, reacts and purifies – then reports to your Dyson Link app. So you can remotely control your environment. Night-time auto mode monitors, reacts and purifies, but only using the quietest settings. LED display dims – no disturbance.