High quality and new For N79 N79S robotic cleaner.(Don't fit for ion robot!!) With high Performance and great durability Filter Dimension:110 mm x 50mm x 9mm Into place for quick and effortless replacement, no tools required,easy to replace the filter Keep for your N79/N79S running at by changing the consumable replenishment kit every 2~3 month,depending on your use frequency How to replace your filter: Step 1.Take out the dirt bin. . Remove the filter on the dirt bin and throw it away. Step 3. Put a new filter into the dirt bin. Step 4. Put the dirt bin back into its slot on top of the robot. How to replace the side brushes: Step 1. Roll for the over on a flat . The brushes be located on the front with bright connectors. . Place a plastic opening tool (or coin) under the lip of the brush head. Step 3. Gently pry up with the opening tool (or coin) so that the brush comes out completely. Step 4. Simply replace a new side brush by putting it back to the connector. Material:ABS colour:Yellow + black Package Contents: 1 * Main brush 2 * Side brushes 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.