[Compatible Models] Perfect for Booster/Wiper/Chorus Pro Vacuums. Made of high-quality materials, environmental friendly materials, soft and to use. [HEPA Filter] 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, and others into the air you breathe. Replacement Filter: A dirty filter will 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 accessories are easy to remove dirt, dust and trash in corners and edges effectively. Especially your hairs and your pets hairs. Colour:Gray & Black Material:Plastic Package Contents: 1 * Rolling Brush 2 * Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.