Keep your Dyson Pure Cool Link desk fan or Pure Hot+Cool Link purifier blowing clean air with this replacement filter. It captures and removes gases, odours, and 99.97% of ultrafine particles as small as 0.3 microns, including pollen, bacteria, and pet dander. The 360-degree design draws in air from all angles for maximum efficiency. | Dyson Pure Hot+Cool Link & Cool Link Desk Replacement HEPA Filter