Makes up to 24 gallons. Low foaming formula. Deep cleans to lift dirt and stains. ZEP Commercial Extractor Carpet Shampoo is a concentrated, low-foaming formulation specially designed for rental, home and commercial steam/extractor carpet cleaning machines. Special formulation contains DuPont stain resistant additives. For use on: Carpet. Not for use on: Wool, S-rated fibers or other sensitive natural fibers. No phosphates. Made in USA.