The Bissell PRO OXY Spot & Stain formula is engineered for portable carpet cleaners. It's a powerful formula that tackles tough messes on carpet and upholstery. It works on food stains, kitchen grease, beverage stains, and more. StainProtect® helps prevent future stains from red wine or coffee spills and pet messes. It also removes odours while you're cleaning, leaving a lasting, fresh scent. Plus, this is an eco-friendly formula with biodegradable detergents; containing no heavy metals, dyes or phosphates. The Bissell PRO OXY Spot & Stain Formula also meets EPA Safer Choice standards and is safe for use around kids and pets when used as directed.