Impact Products 9480G-90 3 OZ Green Apple Scented Urinal Screen With Blue Dye Indicator, Bowl deodorizer. Specifically formulated 3 oz block contains pleasant Green Apple scent to Clean & controls odors with pleasant scent. Screen helps to prevent clogged drains. Triangular design fits most applications. Cleans & Deodorizes For Up To 1,500 Flushes, Strong Sudsing Action Assures Sanitation Built In Hook For Easy Removal, Block Is Enclosed In Water Soluble Wrap.