Deerma DX600 Vacuum Cleaner Filter The Deerma DX600 vacuum cleaner filter is an effective way to trap dust particles and dirt. It has a filtration level of F9 and is made from PET, with a RoHS certification for safety. To ensure the longevity of the product, we recommend cleaning it regularly. The filter should be dusted off after every 3-4 uses, and washed thoroughly and dried after every 5-6 uses. Additionally, for optimal filtration, the filter should be changed at least once every 3 months. Brand Deerma Name DX600 Filter Filter Level F9 Material PET Certificate RoHS Compatibility Deerma DX600 Vertical Vacuum Cleaner