(12) 20 oz. Cans. ZenaClean carpet cleaner lifts out dirt and grime, holding it in suspension until vacuumed away. Use on spills right away to help avoid hard-to-remove stains later. A great powerful foaming cleaner for carpets or auto interiors. Leaves no soil-attracting residue. Lifts Out Dirt. Thick, Dry Foam. Inverted Valve for Easy and Comfortable Application. Fortified with Odor Neutralizers. Foam On, Vacuum Out.