Thornell Cat Odor-Off Concentrate delivers fast, permanent, safe relief from stubborn odors caused by cat urine, tomcat spray, and feces. Safe for home and pet, this powerful cat odor eliminator is not a mask and not an enzyme—designed to eliminate odors at the source. Use on rugs, walls, floors, litter, and more to restore fresh-smelling spaces. Ideal for cat owners seeking a reliable cat urine odor remover and litter odor control solution, and a strong alternative to enzyme cleaners or deodorizing spray for cats.