The dual-sided design stops urine splash on either side for error-free installation. Patented fragrance load releases 5x more fragrance than competitors. Contains billions of beneficial bacteria that consumes odors and keeps drains smelling clean. Individually wrapped so each urinal screen stays fresh. Patented date tab system reminds you when to replace it. Reduces splash, freshens urinals for 60 days, and the 2-sided design ensures correct installation every time.