Hide it almost anywhere. The Air Flex consistently releases a pleasant fragrance while remaining hidden on the side of toilets, inside bathroom cabinets, boardrooms, restrooms, the underside of trash can lids, and other discreet locations. Freshens while remaining hidden on the side of toilets, inside cabinets, on the underside of trash can lids, and so much more. Freshens for 30 days with 50x more fragrance than standard toilet rimsticks.