<http://schema.org/description>
"Works around the clock to ensure odor-free toilets. Para block provides effective deodorizing for up to 30 days. Our deodorizing urinal blocks and screens help prevent clogged drains and release fragrances with each flush."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cleanfreak.com/restrooms/odor-control/urinal/urinal-screen-with-para-block.html>