Walcom ESR Silica Drying Module FilterSilica drying module for the elimination of residual humidity from compressed air, to be used combined with an air pre filtering unit in the painting booth. Equipped with a light that signals the saturation of the silica with the possibility of replacing or regenerating it (4 hours at 120 C.) Ref. 60129 11 Silica drying unit, to eliminate residual humidity in compressed air, to be used in combination with an air pre filtering group in a painting