General description vhbw offers a high-quality, precision-fit HEPA filter designed for the Dyson Purifier Big+Quiet Formaldehyde BP03 Air Cleaner. This filter effectively removes gases and 99.95% of pollutants from the air, making it ideal for allergy sufferers. The 360° glass fibre HEPA filter captures tiny dust particles and impurities, such as household dust and pollen, ensuring a more pleasant indoor environment and improved air quality. Technical specifications External diameter: 35.6 cm Internal diameter: 29.5 cm Height: 45 cm Particle filter classification: HEPA 13 Weight: 1390 g Material: plastic / fleece Colour: black / white Replacement cycle: every 12 months or as indicated on the display of your appliance Suitable for rooms up to approx. 100 m² Filters up to 99.95% of particles up to 0.1 micron, including allergens, bacteria, house dust, mites, pollen, mould spores, aerosols, and formaldehyde Compatibility and accessories Compatible with Dyson Purifier Big+Quiet