Water-activated, time-released product that provides continuous sanitizing in floor drains. Does not obstruct water drainage. Proven to be effective against a broad spectrum of gram negative and gram positive organisms found on environmental surfaces, such as Staphylococcus aureus, Enterobacter aerogenes, Escherichia coli, etc. Helps reduce build-up between cleanings by emulsifying soil deposits 24 hours a day. Simple to install - all you have to do is place the 4" ring onto the drain, and it slowly dissolves as the water passes over it. Broad applications throughout various foodservice facilities, including restaurants, hotels and casinos. 12 per case