Urinal Deodorizer - Toss Blocks instantly eliminate persistent odors at their source. These bowl blocks work well if used in the restroom (men's urinal) as a deodorizer, they're effective for up to 30 days. Urinal Toss Block - Made of 100% pure paradichlorobenzene plus deodorants.
Para deodorant blocks are poorly soluble in water and is not easily broken down by soil organisms. Para blocks are best used in urinals where no standing water exists. They are 100% air activated and won’t dissolve in water. This non-para block lasts for a significant amount of time, usually between 30 and 40 days.