A clean smelling restroom plays a major role in the overall patron experience. A poorly maintained or malodorous restroom can cost you business. AirWorks Premier Urinal screens offer an effective method of odor control between cleanings. They also use a superior Smartblock enzyme technology, that not only dissolves organic compounds, but also emits fragrance to reduce odors even more. What's more, they are a practical means of keeping urinal drains free and flowing, by acting as a barrier to prevent debris from entering the plumbing system.. New SoftSpike Technology diffuses liquid to eliminate splashing Each Screen includes an enzyme block to continously clean and reduce odors Flexible EVA material fits all urinals Lasts 60 days, when block is dissolved, time to replace