Inquiry (采购产品): sewer lift station exhaust We are trying to remove the oder from lift station exhaust at a few of our underground station 2 lift pumps below a working platform 400 cfm blower closed vault 80% under ground runs in auto mode. oder exhaust into residential area. **** Hidden Message ***** Greg Hubley 94514 Company: American Retrofit Systems E-mail: skipperhub@yahoo.com **** Hidden Message ***** skipperhub@yahoo.com