Fresh Products Para Block & Screen - Lasts upto 30 Days - Deodorizer, Protect Drain - 12 / Box - Pink

Para Block & Screen protects urinal drains from debris which can result in costly repairs. Screen contains a 4 oz. para urinal block with a cherry fragrance that deodorizes consistently for 30 days. Para block is air-activated so it won't dissolve in water. After 30 days, reuse the screen to reduce waste and replace the para block.