<http://schema.org/telephone>
"1-800-277-3458"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.discountfilterstore.com/whirlpool-refrigerator-filter.html?amp%3Bmedia_primary_filter=Activated+Carbon+Block&brand=Amana&capacity_range=250+-+500>