Material: Replacement filters are made of high quality PC, compatible and work as the old one. Easy to maintain: Vacuum cleaner replacement parts can be washable and reusable. It is suggested to replace the spare parts every 2-3 months to keep your robot cleaner running at high performance. Easy to Install: Easy to install and disassemble, no tools are needed, just insert the vacuum cleaner's suction or hose into the brush to complete the installation. Fit Model: Fit for V8 Absolute, V8 Animal, V7 Absolute, V7, for V7 Animal Plus vacuum cleaner, the post-filter is only compatible with V7 and V8 vacuum cleaners. Type: Vacuum Cleaner Parts Color: Purple and Blue Material: Plastic Package Contents: 8 * Pre-Filters 4 * Post-Filters 1 * Cleaning Brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.