<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebSite>
<http://www.discountfilterstore.com/omni-filters.html?capacity_range=1%2C000+-+2%2C500&life_months=12&price=9-&size_advertised=10+x+2-1%2F2>