Advanced dual action formula deep cleans and resists dirt and stains. Unique technology, 1 formula with deep cleaning performance and Scotchgard protection that revitalizes soil and stain protection to carpet. UL tested and safe to use in Bissell, Hoover, Dirt Devil, and other brand full size deep cleaning machines, even rental machines. Safe, deep cleans, and protects most carpet fiber including stain-resistant carpet. 24 oz. 2X Ultra concentrated formula.