Eco-fresh Urinal Block, Non-para, Green Apple Scent, Green, 12/box, 12 Boxes/carton

Cleans with every flush; contains powerful surfactants and chelating agents. Eliminates odors; billions of select bacterial spores digest odors at their source. Lets you know its cleaning; blues the water with every flush. Lasts up to 1,000 flushes.