<http://schema.org/telephone>
"1-800-277-3458"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.discountfilterstore.com/air-filters-by-type.html?brand=White-Rodgers&media_primary_filter=Pleated+Fabric&merv=MERV%3A8&price=-100>