<http://schema.org/mpn>
"LMU540HV, LSN090HSV4, 2xLSN120HSV4, LSN180HSV4"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ingramswaterandair.com/multi-quad-zone-standard-ductless-minisplit-heat-pump-system-9k12k12k18k-p-22035.html>