Freshens the urinal and restroom for 30 days. Unique post and lattice technology eliminates 99% of urine splash, saving custodial cleaning time. 2-sided design ensures correct installation every time. Built-in system ensures the best experience for patrons by providing a change-out reminder. Complies with VOC requirements in all 50 states. Safe of ruse with waterless urinals. 100% recyclable.