Zinsser Bulls Eye 1-2-3, Gallon, Gray, Water Based All Purpose Primer, High Performance, For Interior & Exterior Residential, Commercial & Industrial Applications, Excellent Stain Blocking Resistance, Fast Dry, Excellent Adhesion To Glossy Surfaces, Use With Rich Or Dark Topcoat Colors To Improve Their Hide & Coverage, May Be Used Under & Over Any Oil Or Latex Architectural Paint, Dried Film Is Mold & Mildew Resistant, 1 Hour Dry Time.