Envirocleanse-A 55 gallon drum, Primary Chemical Hypochlorous Acid, Container Type Drum, Container Size 55 gal, Ready to Use/Concentrated Ready to Use, Recommended Dilution Ready to Use, Fragrance Unscented, Cleaner Form Liquid, Surfaces for Use On Hard Nonporous Surfaces, Standards EPA Registered, OMRI Listed, Wet Contact Time 1 to 10 min