Fresh Products Eco-Fresh Non-Para Enzymatic Urinal Blocks

• Long lasting - up to 1,000 flushes.
• 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.
• Four different fragrances to choose from: Cherry, Fresh Air, Green Apple or Lemon.