The Wave 3D combines the patented technology of a 30 day urinal air freshener/deodorizer, with the absolute splash elimination available due to it's two sided design. Wave 3D also provides an easy to use out indicator system to assist in timely maintenance. The Wave 3D patented urinal screen releases more than twice the active ingredients as look-alike screens, over 30 days to keep the urinal and restroom smelling fresh. The Wave doesnt' just mask, it releases optimized bacteria that consume odors. The revolutionary design features a post & lattice design extending through the screen and diffuses the urine stream while releasing a pleasant fragrance. The 2-sided anti-splash design removes 99% of urine splash either side up! The Wave 3D easy reminder system lets you know when it's time to replace the screen. Simply remove the tabs upon installation to set your replacement date. 2 per pack. 5 packs of 2 each per box. 6 boxes of 5 packs per master case. Sold by pack of 2 each. Spiced Apple scent.