Advanced. 3x enzyme cleaning power! For toughest urine problems. Eliminates the toughest urine odors and stains. Helps prevent repeat marking by removing the pheromone scent. Pro-Bacteria cleaning. Tackling the toughest urine messes has never been easier with the proven and powerful formula in Out! Advanced Severe Urine Destroyer. Natural Pro-Bacteria and enzyme formula is 3x-concentrated to eliminate urine odors and stains. Quickly neutralizes odors instead of covering them up. Removes pheromones that cause pets to revisit and resoil spots. Effective on old and new problem areas. Safe around pets and children when used as directed. Ideal for any water-safe surface, including rugs, carpeting, upholstery, fabrics, tile, molding, grout, sealed wood, plastic, vinyl, concrete, mattresses, trash containers and more. Do not use on wool or leather surfaces. Money back guarantee upon proof of purchase. Carpet & Rug Institute approved. Questions or comments? Call us at 1-800-448-8552 or visit our website at www.OutPetCare.com. Made in the USA.