Clean your home dust more cleanly, providing clean and fresh air for your daily life. Main Material: Professional Filter Paper and Plastic Type: Filter Made of environmental protection material Make sure this fits by entering your model number. Depending on your household, it is recommended to replace your parts every 3 to 6 months. Regularly replacing your parts helps your machine operate at peak efficiency. Note: The data are all manually measured, please allow 1-3cm error. Due to differences in light and display, there may be color differences, please refer to the actual item received.