About: http://webisa.webdatacommons.org/79213561

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	Alternatively, the actively filtering spacers may consist of strips or other configurations of prefabricated particulate filtering and/or gas absorptive, adsorptive, chemisorptive or reactive materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com