Designed to be compatible with Dyson models: DC30, DC31, DC34, DC35, DC44, DC45, DC56 vacuum cleaners and replacement part number DY-917066-02 Product Quality: Our high quality filter provided from KENSHIRE brand, which helps to improve the suction and performance of your vacuum cleaner Recommendation: We recommend you to replace your filters regularly every 2-3 months to maintain the good and best performance of your vacuum cleaner . This is a washable filter and you can clean it by hand in warm water and allow it to air dry completely before use. Easy DIY Replacement - Same thing, it is easy and convenient to replace your old filter to be replaced by our new #DY-917066-02 filter by hand. Package includes: 2 filters