<http://schema.org/addressRegion>
""^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.discountfilterstore.com/lennox-air-filters.html?amp%3Bsize_advertised=16+x+26+x+5&merv=MERV%3A8&size_advertised=20+x+25+x+5>