Please note: The physical color difference or difference does not affect the use, please don't worry! Compatible with For IW3511/IW1111. Please note to check the size and model of the vacuum cleaners before ordering. Economical Products: The package includes 1 HEPA filter (in the handheld part of the machine), 2 basic pre-filter kits, 4 basic foam filters, 2 anti-odor cartridges and 2 HEPA filters. Excellent Filtration - Funmit vacuum filters are made of high-quality and environmentally friendly materials, with higher efficiency, less pressure and better quality to improve vacuum suction for better dust removal, especially for people who are sensitive to air. Aim to create a healthy and comfortable environment for those who want to breathe fresh air and meet the demands of your daily life. The choice for you Recyclable Replacement - The premium vacuum cleaner replacement filter for is washable and reusable. The replacement filter allows you to use it while it is dry. We recommend