ProBio® Odor Out was developed specifically to eliminate all nitrogen based odors including all urine odors instantly and permanently through a proprietary process known as "Spontaneous Oxidation-Reduction". This patented technology instantly disables the malodor molecules and destroys them at the source. It is a safe and effective ready-to-use spray that eliminates these offensive odors. Formula is 100% biodegradable allowing the elimination of odors been in situations where health and safety are primary concerns.