Rust Stain Remover, Surfaces for Use On Chrome, Concrete, Fiberglass, Painted Surfaces; Vinyl Siding, Stucco, Wood, Jug, 1 gal, Fragrance Acidic, Ready to Use, Recommended Dilution Ready to Use, Primary Chemical None, Cleaner Form Liquid, Product Series No Series, Rinse Required Yes, Application Temperature Greater than 212 Degrees F, VOC Content 90 Percent, NSF Rating Not Rated, Nonflammable Yes, Biodegradable Yes, Net Weight 9.2 lb