AK Interactive 17ml RLM 72 Air Series Acrylic AK2021 All of these colors have been carefully studied by historians and formulated to accurately represent the colors of the Luftwaffe. Each box paint set contains references for different models. These acrylic paints can be used with both brush and airbrush. These paints are water soluble which prevents odors and the need for aggressive thinners. High quality paint for Brushes and Airbrush. 17ml bottle. The Air series paint is designed to be effective for airbrush and brush, and is water- soluble, avoiding strong smells and harmful solvents. Formula ultra-resistant and satin. Nontoxic. It can be easily thinned with our specific acrylic thinner or water if necessary. We recommend AK-712 Acrylic Thinner for thinning. Theres no need to dilute the paints when you decide to use your airbrush. When applied by brush they also have a greater degree of coverage. Use alone or mix with other acrylic paints to obtain a different color. Shake before each use. Dries completely in 24 hours.