Gemini said
A Car Wash Foam Gun is a high-efficiency detailing tool designed to coat vehicles in a thick, "snow foam" lather. Unlike traditional bucket washing, this tool attaches directly to a standard garden hose or pressure washer.
How It Works
Pre-Soak Action: The thick foam clings to the surface, breaking down road grime and lifting abrasive dirt particles.
Scratch Prevention: By lubricating the paintwork before you touch it with a mitt, it significantly reduces the risk of "swirl marks" and micro-scratches.
Adjustable Dilution: Most models feature a dial to control the air-to-soap ratio, allowing you to customize the foam density.