<http://schema.org/postalCode>
""^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.discountfilterstore.com/rv-pre-tank-exterior-water-filters.html?brand=Culligan&capacity_range=1%2C000+-+2%2C500&flow_rate_range=1.0+-+1.5&price=10-20>