General description Made of high-strength and environmentally friendly material, this 10-piece HEPA filter set is designed for ZR009007 and X-Force Flex models. It is easy to install and helps maintain the cleaning performance of your sweeper while reducing the penetration of dust, pollen, and other allergens into the air you breathe. Technical specifications Material: Plastic Package Contents: 10 x HEPA filters Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with models: TY9879, TY9890, TY9958, TY9990, RH9958WO, RH9959WO, RH9878WO, RH9879WO, RH9890WO Usage It is suggested to replace the filters every 1-2 months. Wash the filters regularly using warm, soapy water. Ensure the filters are completely dry (24 hours) before use. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.