General description Keep your home clean with the Post Filter & Pre Filter for Dyson DC41, DC65, and DC66 Animal Vacuum Cleaner. These high-quality replacement filters ensure optimal performance of your vacuum cleaner, helping to maintain a clean environment. Regularly changing the filters every month or two, depending on usage, is recommended for best results. Technical specifications Replacement Part Numbers: 920769-01 (Post Filter), 920640-01 (Pre Filter) Material: Plastic Package Contents: 2 x Pre-Filters, 2 x Post-Filters Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with all DC41, DC65, and DC66 models Models include: DC41 Animal, DC41 Animal Complete, DC41 Animal Complete Exclusive, DC41 Animal Exclusive, DC41 Animal Plus, DC41 Multi Floor, DC41 Total Clean, DC65 Animal, DC65 Animal Complete, DC65 Animal Complete Exclusive, DC65 Animal Exclusive, DC65 Animal Total Clean, DC65 Multi Floor, Ball Allergy, Ball Allergy Exclusive, Ball Exclusive,