<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/ListItem>
<http://www.discountfilterstore.com/water-filters.html?brand=Filterite&flow_rate_range=1.0+-+1.5&media_primary_filter=Ion+Exchange+Resin&size_advertised=20+x+4-1%2F2>