Neutralise the toughest of odours either pet-related or environmental with The Tough Stuff Tap A Drop Odor Counteractant. Using a combination of Odor Eliminating Technology with essential oils to alter the molecule of the bad odour so you won't be able to smell it. One drop will last up to twenty-four hours and effect 1000 cubit feet, great to use in trash cans, hockey bags, in the vehicle, toilets, litter locker and more.