Tropiclean 451077 Fresh Breath Water Additive Plus Endur Oral Care, 16-Ounce Oral care water additive that provides dogs and cats with essential, daily, oral hygiene. Promotes healthy gums and eliminates bad breath for up to 12 hours. Essential vitamins and minerals promote endurance, helps pets feel more energetic, and promotes overall wellness. Natural antioxidants that slow degenerative conditions in the body, such as aging.