This is the 1 Gallon Container of Liquid Sky Smoke Fluid from Robart. FEATURES: Produces superior smoke plume, white in color with extended endurance Foam safe formula Subtle root beer scent For use with turbine or piston engines equipped with on-board smoke systems INCLUDES: 1 Gallon (3.8l) Container of Liquid Sky Smoke Fluid REQUIRES: Filling tank in smoke oil system jxs 04/26/10