About: http://webisa.webdatacommons.org/411670550

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	They also need to consider the type of filters they need since various units are designed to take care of different types of metals, minerals, viruses, bacteria, and other contaminants.
http://www.w3.org/ns/prov#wasQuotedFrom	weebly.com