<http://schema.org/telephone>
"1-800-277-3458"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.discountfilterstore.com/everpure-filters.html?capacity_range=1%2C000+-+2%2C500&mode=list&size_advertised=10+x+2-1%2F2&size_fitting=1%2F4>