Fully Compatible, High Quality, Long Lasting Filters. Replacement Washable Pre Motor Filter, Post Motor Allergy HEPA Filter Kit for Dyson Vacuum Cleaners. Yellow Pre-Motor Lifetime Washable Filter Diameter: 153mm; Blue Post-Motor HEPA Allergy Filter Diameter: 151mm. Easy to remove and replace as part of routine maintenance.To keep your cleaner running at peak performance, please replace your filter every 2 - 3 month. Package includes: 2Pcs/set filter for Dyson compatible vacuum cleaner filter kit. Filters maintain for DC05 DC08 cleaning performance while reducing infiltration of dust, pollen and other allergens into the air you breathe. How to clean the filter: 1. Remove the bin by pressing the bin release button 2. Open the bin door to empty the bin 3. Now press and lift the filtered or release tab 4. Remove the filter by grasping the yellow tab 5. Clean room was filter by tapping against your trash container 6. To reinstall the filter, press the metal filter lever, with the side of filter and push the filter down, the filter doorwill not close if the filter is not installed correctly Specifications: Item Type: Vacuum Cleaner Parts Material: HEPA Filter Paper + Plastic Diameter: 152mm / 5.98in (Approx.) Main Function: Filter Dust Compatible with model: Item for Dyson DC19 DC20 DC21 Robot Vacuum Cleaners Package Included: 1 x Hepa Filter 1 X Pre-filter