The pianine is ideally suited for washing various surfaces, using an active foam, e.g. car car body, etc. Thanks to its construction, it completely eliminates the need to use high-pressure washer.
It is connected to a compressor using a standard quick-connector plugin. The piano has adjustment of the amount of chemistry and two interchangeable tips.
It creates a permanent dense foam that keeps on a washed surface, which gives the opportunity to react with dirt chemistry significantly increasing its effectiveness.