BISSELL® Clean + Allergen formula works in all BISSELL® upright carpet cleaners to remove deep down odors, dirt and allergens from carpet, upholstery, area rugs, and similar soft surfaces. It also helps remove pollen, pet and dust mite waste allergens. This Clean + Allergen formula is safe to use around kids and pets when you use it as directed. And, it doesn't contain any phosphates, dyes or heavy metals, so this formula is earth friendly with biodegradable detergents. Plus, every purchase of this product helps save pets! 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. We're proud to design products that help make pet messes, odors and pet homelessness disappear.