Vallejo Model Air Flanker Light Grey 17ml (AV71335) Water-based matt acrylic formulated for airbrushing. Model Air provides an extensive range of historically accurate military colors spanning WWI, WWII, and contemporary aircraft. Formulations derive from rigorous research into original military color specifications. Spray undiluted or thin with Vallejo Airbrush Thinner or Flow Improver. Apply over primed surfaces in successive coats. Quick-drying action yields a robust, uniform finish that maintains fine model detail. Operating pressure: 15–20 PSI (0.5–1 kg). Applicable by brush as well. 17ml bottle. Non-flammable, solvent-free. Maintain airbrush equipment using Vallejo Airbrush Cleaner.