Simple Green, Gallon, Professional Grade Carpet Cleaner & Stain Remover, Certified By The Carpet & Rug Institute To Not Damage Carpet Fibers Or Backings, Clean Rinsing Formula Does Not Leave Behind Reside That Can Break Down Carpet's Stain Resistance, Safer, Non-Toxic & Biodegradable Formula, Does Not Contain Amines Or Bleach That Can Cause Discoloration, Removes Tough Stains & Embedded Dirt While Neutralizing Stubborn Odors, Concentrated Formula Makes Up To 22 Gallons Of Cleaner, Can Be Used On Carpet, Rugs & Upholstery For Manual Spot Cleaning Or With Pre-Spray, Spray & Extract, Steam Extraction Or Cold Scrub Equipment.