Editing Urinal deodorizer block (section)

{{See also|Toilet rim block}}
{{Short description|Small disinfectant block added to urinals}}
{{MCN|date=April 2024}}
[[Image:Urinal with urinal cake gsu cit 2004.jpg|thumb|right|A pink deodorizer block + urinal screen in a urinal at [[Georgia Southern University]]]][[File:Waterless urinal in City University of Hong Kong.jpg|thumb|A Johnson Suisse [[waterless urinal]] with a block placed above the drain at [[City University of Hong Kong]]]]'''Urinal deodorizer blocks''' (commonly known as '''urinal cakes''', '''urinal cookies''', '''urinal biscuits''' (or jocularly '''piscuits'''), '''urinal donuts''', '''toilet lollies''', '''trough lollies''', '''urinal pucks''', '''toilet pucks''', or '''urinal peons''' (alternately '''urinal pee-ons''')) are small [[disinfectant]] blocks or tablets that are added to [[Urinal (restroom)|urinal]]s. As these products originally contained [[1,4-Dichlorobenzene|para-dichlorobenzene]] (pDCB) they may also be called '''para blocks'''. Besides disinfecting, the purpose of these materials is to [[deodorize]] restroom urinals.<ref name="inf">{{cite web | publisher=INFORM | date=2009 | title=Fact Sheet on Respiratory Hazards and Restroom Deodorant Blocks | url=http://www.informinc.org/fact_P3restroom.php}}</ref> They are placed above the urinal drain, often in the confines of a small plastic device called a ''urinal screen'' that prevents loss down the drain when they dissolve down to a small size.