Compatible Model: This primary filter compatible with RoboVac 11S, RoboVac 30, RoboVac 30C, RoboVac 15C, RoboVac 12, RoboVac 35C. Replacement Accessory Kit Includes: 2 pcs primary filter for RoboVac. High performance: Extend the life of your vacuum. Keep your RoboVac running at performance by changing the the replenishment kit every 2~3 months,depending on your use frequency. Easy to Install: Snap into place for quick and effortless routine replacement. Colour:As Shown Material:plastic Package Contents: 5 x Primary Filter Replacement Part 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.