Drop-In Tank Non-Para Cleaner Block, Unscented, Blue, 24/box | Bundle of 5 Boxes

Dissolves as it cleans the bowl and blues the water. Cleaning block deodorants are water activated, counteract odors, and fight bacteria growth. Contain no parachlorides.You may also like Tidal Wave, Urinal Screens, Mango Scent, 0.42 Oz, Orange, 6/box | Bundle of 5 Boxes.