Gun designed for spraying of Engine gloss PU Coating and undercoating, soundproofing and gravel protection. This gun is hermetically sealed which prevents the product from hardening during work breaks.The BS gun features three adjustment: airflow product flow, and product atomization.This will allow the user to recreate a wide variety of patterns and textures. This gun is supplied with a set of spray wands to apply wax based rust proofing in doors, cavities beams etc. An optional undercoating wand is available for application in hard to reach places, i.e. around rufflers, exhaust pipes, etc.