The Dedra DED6609 construction and industrial vacuum cleaner with automatic filter cleaning function is ideal for heavy-duty tasks such as sanding or construction work. It features a self-cleaning M-class filter system that automatically cleans itself every 20 seconds, preventing clogs. The vacuum can be used for both dry and wet applications and effectively sucks up dust, dirt, and other contaminants. The automatic power shut-off protects when the tank is full. With a tank capacity of 40 liters, it is versatile for various uses.