- High quality high performance replacement HEPA filter for tower air purifiers and tower fans - Compatibility: replacement for Dyson 967449-04, 968101-04; suitable for Dyson Pure Cool Link DP01 (305214-01, 308404-01, 308033-01, 308034-01, 309. 423-0441) and many more (see description) - Hepa filter: stands for High Efficiency Particulate Air Filter. The filter retains 99.5% of all particles over 0.0003 mm in size from the exhaust air - Active carbon: filters against most allergens, pollen, mites, mould, spores, bacteria, dust, unpleasant odours, smoke and tobacco smoke - Use scenarios: - In a living room or bedroom with a compatible Dyson tower purifier to improve overall air quality - As part of routine purifier maintenance to maintain performance and airflow - In kitchens or smoking areas to reduce odors and airborne contaminants - Why choose: reliable replacement filter core for sustained filtration efficiency and odor control, designed to fit specified Dyson models and many others (see description)