<http://schema.org/telephone>
"1-800-277-3458"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.discountfilterstore.com/aqua-pure-filters.html?flow_rate_range=10.0+-+20.0&price=70-&size_advertised=20+x+4-1%2F2>