Eco Fresh Non-Para Enzymatic Block, Cherry, 12/Box

Freshens and cleans the urinal for up to 1,000 flushes. Block comes wrapped in water soluble film, no need to unwrap. Each flush contains powerful surfactants and chelating agents to eliminate odors at their source. You know it's working when you see the water turn blue. Deodorizer Type: Urinal Block; Scent: Cherry; Color(s): Blue.

Price: 8.97 from Zuma Office Supply US