Gray , Zinsser Flat Bulls Eye 1-2-3 Interior/Exterior Multi-purpose Water-based Primer- Gallon, 1 Pack

Interior/exterior use on new or previously painted drywall, concrete, wood, masonry, metal and glossy or difficult surfaces Covers up to 450 sq ft and improves topcoat coverage Universal primer seals uniformly and will stick without sanding on all surfaces Features a breathable, water-based formula designed to resist blistering, peeling and mold and mildew growth Resists high PH surfaces up to 12.5 Permanently blocks and seals common stains, graffiti and tannin bleed, rust inhibitive - great for new metal Dries to the touch in 30 minutes Fast drying, ultra-low odor water based primer and sealer is perfect for everyday use and can be applied under or over any topcoat Can be applied in temperatures as low as 35 degrees Fahrenheit