Flow adjustment, atomization adjustment and air pressure adjustment to achieve accurate coating application. Lightweight, easy to control, perfect for all coatings, such as general varnishes, color coatings, PU coatings, UV coatings, metal coatings. This HVLP spray gun allow to use with water-based material (DON’T use oxygen, combustible or any other bottle gas as an air source that will cause an explo sion or serious personal injury.). Equipped with 3 size nozzles(1.4mm/1.7mm/2.0mm), simply rotate the nozzle to select the spray pattern that suits you best. High volume low pressure technology applies paint with less force, prevents paint from splashing.