1. Material: plastic 2. Applicable area: 51-100 square meters 3. Suitable for iRobot roomba 8/9 series 4. High adaptability to real machines and strong practicality 5. Sturdy and durable, not easily damaged 6. Clean and sweep, long service life 7. Size: main brush 190 x 55 x 32mm, filter 110 x 55 x 13mm
