Zero Odor ZOP 1065 Multi Pet Odor Eliminator Kit Eliminates odors on a molecular level is Biodegradable Non-allergenic, non-irritating, fragrance free and non-toxic Spray on all types of surfaces Patented formula One 16 Ounce Zero Odor Pet Odor Eliminator, One 16 Ounce Zero Odor Litter Spray and One 16 Ounce Zero Pet Odor & Stain Remover