PERFECT FIT - Compatible with Dreame H12 pro Vacuum Cleaner. precision fit and easy install. PREMIUM QUALITY MATERIAL - The products are made of high-strength and environmentally friendly materials to ensure optimal performance and a healthier lifestyle. [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 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. 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. Applicable models: For Dreame H12 pro Washing Floor Machine Colour:grey+black Material:plastic Package Contents: 2 x Roller Brush 2 x Hepa Filter / 2 x Roller Brush 3 x Hepa 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.