Provide your guests with a freshly scented bathroom when you use this Soro Essentials – Set of 12- Para Urinal Block 4 oz. This air-activated deodorant urinal block emits a pleasant strawberry scent to counteract the unpleasant smells often associated with bathrooms. The clean smell will help put your guests at ease without being too overpowering. Not recommended for use in standing water, this para block lasts for a significant amount of time. To use, place it on the bottom of the urinal in your bathroom. It begins working as soon as it comes in contact with the air! Measures 2-1/2" x 2-1/2" x 1”, Set of 12- Para Urinal Block 4 oz, Para. These urinal cakes are made of para to control and kill insects, and as an odor control cleaner, sanitizes and deodorizers. It has the active ingredient to control smell. If you are hoping to enhance your restaurant or bar's bathroom environment, there is no better way than with this urinal cake. These urinal cakes are made of para to control and kill insects, and as an odor control cleaner, sanitizes and deodorizers. It has the active ingredient to control smell. If you are hoping to enhance your restaurant or bar's bathroom environment, there is no better way than with this urinal cake. Our urinal blocks are pleasantly scented and actually deodorize, removing odors in the air. We don't mask one smell with another. Our gently scented urinal cakes are perfect for school, office, or even your home. Our urinal blocks are pleasantly scented and actually deodorize, removing odors in the air. We don't mask one smell with another. Our gently scented urinal cakes are perfect for school, office, or even your home. Our urinal blocks aren't just for the urinal or toilet but they can also use as deodorizer on your trash bins too! Replace the smelly trash with a nice strawberry scent. By instantly eliminating persistent odors at their source, this deodorant urinal block promotes a clean environment.