Urinal Cakes, 3 oz. KRYU03$8.95 Urinal Block/Screen Combo KRYPBS$3.49 Urinal Screens KRY1001$12.20 Become a member of our supply community and you'll be notified of new products, labor-saving innovations, and special promotions tailored specifically for the U.S. Navy at SUPPLYTHENAVY.COM. Just call 1-888-622-0356 or click Get on the List!