Wave 3D provides 30 days of freshness with its patented high fragrance load. The beneficial bacteria consume odors at the source keeping drains clean and smelling fresh. The double-sided design reduces urine splash by 97% so there's less on the restroom floor. Wave 3D. Deodorizer Type: Urinal Screen; Scent: Citrus; Color(s): Yellow; Quantity: 10/Box.