About: http://webisa.webdatacommons.org/257663311

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Ventilation system, such as heat recovery ventilator, filters should be checked every two months.
http://www.w3.org/ns/prov#wasQuotedFrom	damicorealestate.com