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 into the air you breathe. The powerful cleaning function makes household cleaning more time-saving and labor-saving. It is suitable for a of floors such as ceramic tiles, marble, and wood floors. Helps clean the vacuum cleaner and makes your lifestyle healthier. As part of normal maintenance, it can be easily removed and replaced. It is recommended that you replace spare parts every 2 to 3 months depending on the frequency of use to keep the machine running at its best performance. Vacuum Part Type:BRUSHES Model Number:For H30 Ultra/for Dream Ultra Colour:Gray Material:Plastic Package Contents: 2 * Roller Brush 3 * Hepa Filter 1 * Cleaning Brush 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.