The Pro 8 model has a maximum operating pressure of 3 bar and a capacity of 8 liters. The large filling hopper and the practical carrying strap make the work comfortable and easy. Frequent areas of use for this device are, on the one hand, the application of sprayable construction chemicals such as primer, deep penetrating primer and adhesive primer, and, on the other hand, the moistening of wallpaper to make it easier to remove.