This is a 30ml jar of filter from Ammo by Mig Jimenez, easy and ready to use directly on your model. Filters are applied by moistening a brush with it and applying direct to your model without flooding the surface. It can be used to enrich hues in your models, unify camouflage, or highlight areas with a different tone. These filters are enamel based and can be cleaned or diluted with Mig Odorless Enamel Thinner. Brown for Dark Yellow filter is designed for use in any Dark Yellow German vehicle from WWII, but can also be used to dirty up models with a dark grey surface.