Dead Down Wind Black Premium with NidorX(TM) technology features a new innovative 3-Step formula that effectively traps, attaches and destroys odors. NidorX is a highly concentrated compound that entraps and prevents malodor molecules from being detected on contact. When added to their ScentPreventA(R) enzyme formula, Dead Down Wind Black Premium Field Spray is scientifically proven to provide superior immediate and long-lasting odor elimination against the most offensive odors.FeaturesNidorX Odor Elimination Technology: The Dead Down Wind Black Premium Field Spray kills human odors more effectively on contact for faster odor elimination performance.Safe and Ecofriendly: Formulated to be safe on skin, clothing and gear. This eco friendly formula contains no biocides and is gentle on humans and the environment.3 Step Formula: Provides superior immediate and long-lasting odor elimination performanceTheir most advanced formula. Their most effective results.