Fan: 4'' 170 cfm Inline Duct Fan: HY

~4" Eco Plus Inline Fan 170cfm ~Very powerful and efficient motors ~Durable steel housing with powder coated finish ~Wall or ceiling mounting brackets attached for easy installation ~Pre wired with 120 volt power cord ~A perfect match for our Eco Plus Carbonaire Filters (FA892) CFM means cubic feet of air per minute.