Uses sealed bristles to eliminate urine backsplash in a urinal. Is infused with a proprietary resin that uses timed release deodorant technology. Lasts twice as long as other screens on the market. 60 days PLUS*. Emits a fresh, clean scent. CA. VOC compliant. Was designed for heavily trafficked public restrooms, such as those found in hotels, convention centers, restaurants and hospitals. Perfect for waterfree urinals.