- High quality materials for durable filtration: made with HEPA filter paper and washable fabric to support strong suction and efficient cleaning, effectively trapping 99.95% of fine dust, pet hair, bacteria and odors. - Compatibility you can trust: replacement parts designed for Dyson DC19, DC20, DC21 and DC29 vacuum cleaners and compatible with the corresponding models to help maintain optimal performance and fresher air at home. - Economical and eco-friendly: the washable pre-motor filter is reusable, saving money and reducing waste. Regular cleaning and filter changes every 2-3 months help keep suction performance at its best. - A healthier home: these filters retain fine particles such as pollen, mold spores and pet hair, helping to purify and improve the air you breathe for a healthier living space. - Practical use scenarios: - Pet households: after shedding, replace or refresh to maintain strong suction and reduce pet hair buildup. - Allergy or asthma concerns: use to trap pollen and dust more effectively, contributing to cleaner indoor air. - General home maintenance: regular 2-3 month filter care to keep vacuum performance consistent, especially in homes with kids or elderly occupants.