Environmentally friendly. Contains approximately 50% recycled material in each screen. No ozone depleting ingredients. 1/10 the VOCs of most aerosols. Freshens urinal for 30 days. 10x more fragrance which is gradually released over 30 days versus a vinyl urinal screen. Releases optimized bacteria that clean the urinal and eliminate odors. Revolutionary design reduces splash back while optimizing fragrance release, cutting cleaning time by up to 50%.