Filters: Red Brown Filter (Filter for Wood) (AK Interactive) (AK262) (57)Enamel Product. Filters are designed to achieve a subtle tonal variation for vehicles especially in monotone camouflage colours. Shake and apply directly from the bottle with a flat brush. This reddish brown filter allows us to subtly change the base tone of our vehicles in sand, brown or even green tones, and is also very useful for tools, boxes and other wooden parts. At the same time, the filter adds depth and richness to our vehicle, preparing it