COMPATIBLE MODEL: These cordless filter replacements are designed for FOCUS Mattress Vacuum Cleaner. The post filter is only available for V7 and vacuum, not fit for other series vacuum model HIGH QUALITY: These FOCUS Mattress filter for is made of high-strength green materials, which can improve the performance of the vacuum cleaner and create a clean and comfortable living environment . WASHABLE & REUSABLE: These FOCUS Mattress filter replacement for can be washed directly with water, and can be reused after drying. It is recommended to clean once every 2-3 weeks and replace the filter every 2-3 months. This can maintain the good performance of the vacuum cleaner and prolong the life of the vacuum cleaner. High-efficiency activated carbon filter absorbs household odors from pets, cooking, smoking, wildfire, and harmful VOC's Easy to replace and disposable, no tools required. replace filters every 6 months for optimal performance. Colour:Purple Material:Plastic Package Contents: 5 * Front 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.