High-density short-bristle antibacterial roller brush Durable and long-lasting, can be washed and cleaned repeatedly High-density soft velvet bristles, smooth scraping strip removes stains evenly without leaving stains, and the full-size bottom scraping strip leaves no residue on the corners. Efficient cleaning in four steps Spray washing, squeezing and polishing can be completed in seconds 1. Spray! Rinse with running water: 100ml waterfall type running water spray evenly wets the roller brush 2. Washing! High-frequency powerful: 520 times/second, uniformly high-frequency scrubbing of the floor 3. Squeeze! Scrape closely: Straight scraper 4. Throw! No dirt stuck: 45ml/second air volume, vertical dirt extraction in one second Introduction to use and installation process Roller brush cleaning: It is recommended to replace it every 3-6 months 1. ① Rotate the roller brush handle clockwise; ② Hold the handle and pull away the roller brush to the left, then take it out 2. Use the matching cleaning brush to remove the entangled hair or debris on the brush head, rinse the roller brush with clean water, and dry it fully after washing (the roller brush handle can also be removed and cleaned before installing the roller brush) . 3. Use a dry rag or wet paper towel to wipe the dust and dirt at the suction entrance. Do not rinse the floor brush directly with water. 4. ① After cleaning is completed, align the right end of the roller brush and push it into the rotating shaft on the right side of the floor brush assembly. ②Turn the handle counterclockwise and insert it into the left card slot product information Product name: Gray whale thickened velvet roller brush Product color: dark gray, plush gray Product material: ABS+100% polyester Product width: ≈260mm (including handle) Product diameter: ≈54mm (including fluff) Product net weight: ≈172g (dry hair)