KOE Kennel Odor Eliminator Concentrate Fresh Scent (16 oz) KOE Concentrate Fresh Scent (16 oz) concentrate. Simply add to cleaning solution or rinse water Eliminates odors, even old, deeply impregnated odors from cages, runs, floors, tables, walls and other large areas Not a mask or enzyme A 16 ounce container makes 64 gallons. Non-toxic, nonirritating, biodegradable Effectiveness decreased when using with Chlorine solutions