20V 8.5m 3 in the battery weather, EMTOP Eab204282 is a powerful and effective air multiplication tool. This device, which works with a battery 20V, offers 8.5 meters long ventilation, and has the ability to work at high speeds in 3 minutes. This weather, which is ideal for assorting cleaning works, offers perfect portability and flexibility. Convenient for long-term use with a modified battery system. Suitable for use in both internal and external fields.