1. Material: upper cover PC, lower cover ABS, top cover PP
2. Interface inner diameter: 32/35mm
3. To drive the brush head, the power of the machine is normally 800W or above
4. Suitable for Haiermei vacuum cleaner
5. Wear-resistant and durable, not easy to damage
6. Easy to install and easy to use
7. Size: about 20x23 cm
8. Weight: about 220 grams