BISSELL PRO MAX Clean + Protect Formula is our most powerful formula for tough, ground-in dirt and stains. It's formulated to work in all BISSELL upright carpet cleaners to remove stains and tough odours. It can be used on carpet, area rugs, upholstery, and other similar soft surfaces. It works great on stubborn stains and underlying odours in heavily soiled areas around your home. Plus, it's made with biodegradable detergents and doesn't have any heavy metals, phosphates or dyes, making it an earth friendly formula. It's also safe to use around kids and pets when used as directed. This formula doesn't just help clean up after pets, it helps save them! BISSELL® proudly supports BISSELL Pet Foundation® and its mission to help save homeless pets. When you buy a BISSELL product, you help save pets, too. Were proud to design products that help make pet messes, odours and pet homelessness disappear.