4 One Gallon bottles of OdorGone Best in Show. OdorGone Best in Show is an environmentally responsible stand-alone, professional strength pet odor neutralizer for pet professionals and pet owners of all kinds and breeds. OdorGone will neutralize the unlimited variety of noisome odors throughout the pet environment including skunk. OdorGone will complement the enzyme based stain removers and replace the perfume and fruity fragrant chemical masking agents available today. After OdorGone does its job, there is no smell at all! OdorGone and has a 100% satisfaction money back guarantee. Perfect for refilling your smaller OdorGone Best in Show bottles!