<http://schema.org/addressRegion>
""^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.discountfilterstore.com/pool-and-spa-filters.html?amp%3Bmanufacturer_pool_spa=Pentair&amp%3Border=position&dir=desc&size_pool_spa_length_range=21+-+24>