Camper Holding Tank Deodorant-Eco Smart, Thetford, 1 Gallon                                  Certified-Green and Environmentally Friendly Thetford's EcoLogo is North America€™s oldest, most-recognized and respected environmental standard and certification organization. It is the only standard accredited by the Global Eco-Labeling Network that meets the international standard for environmental labels. To meet stringent EcoLogo criteria, a holding tank additive must: Control odors and help decrease waste materials Be biologically-based and non-toxic Not harm humans or riparian and aquatic species Not accumulate in the environment Have limited surfactants that biodegrade Thetford's RV Holding Tank Deodorant -Eco Smart-1 Gal. Features: Quickly breaks down and liquefies waste and tissue to prevent messy clogs Formaldehyde-Free FormulaSuperior odor control Detergent additive keeps tanks clean Non-staining green dye washes clean with soap and water Liquid or Toss-Ins, the ultimate in convenience! Safe for grey or black water tanksAccepted at all campgrounds70% better odor control than other natural formulasAlso Available: Item # Mfr # Size 831698 36974 4-4oz. Bottles 831696 32952 12/Pks Toss Ins 831693 32949 36oz. 831695 32950 64oz. 831697 (shown above) 36967 1 Gal.   RV Holding Tank Deodorant-Eco Smart, Thetford, 1 Gal.