Model: Compatible with Connected Series D3 D4 D5 D6 D7 D8 D9 D10 and Botvac D Series D75 D80 D85 robot vacuum cleaners. The products are made of high-strength and environmentally friendly materials to ensure optimal performance and a healthier lifestyle. The HEPA filter is made of high-strength environmentally friendly materials, which can block most dust down to 0.3 microns. The filter can maintain the cleaning performance of the sweeper, while reducing the penetration of dust, pollen and other allergens into the air you breathe. Replacement Filter: A dirty filter will significantly reduce suction power. Depending on the frequency of vacuuming and the amount of dirt cleaned, for best performance, change the filter at least every 3 to 6 months. Easy to install and remove, no need to spend more energy and time. Type: Vacuum Cleaner Parts Easy to clean, helps remove dirt, dust and trash on the floor. Color: Black and White Material: Plastic Package Contents: 12 * HEPA Filter Only the