1. flexibility is good, uniform thickness, light weight, stable quality. 2. Can be cleaned dust effectively, to prevent particles of dust into the vacuum cleaner. 3. It is very that after cleaning can be repeatedly used. 4. Easy to replace and install to keep the vacuum cleaner life and steady performance. 5. Perfectly fits for T6 C17 T1 vacuum cleaner. Item Type: Vacuum Cleaner Filter Application: vacuum cleaner filter colour:Black+white Material:ABS size:About 8.8 x 6 x 5.7cm Package Contents: 5 x Vacuum Cleaner Filter Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.