The accessories are easy to remove dirt, dust and trash in corners and edges effectively. Especially your hairs and your pets hairs Hepa Filter: HEPA filter is made of high-strength environmental-friendly materials, which can block most of dust down to 0.3 micrometer. 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 greatly reduce suction power. Depending on the vacuuming frequency and amount of dirt cleaned, for best performance, change the filter at least every 3 to 6 months. Fine preliminary Filter traps larger particles in the air like dust, hairs, pet fur, lint and more. The powerful cleaning function makes household cleaning more time-saving and labor-saving. It is suitable for a variety of floors such as ceramic tiles, marble, and wood floors. Type:Vacuum Cleaner Accessories Applicable Model:For Vactidy T7 / T8 Quantity:20PCS