Inquiry (采购产品): Hospital Isolation Room Need design info to retrofit (3) existing patient room into (3) isolation rooms w/ negative air change of 6-12 exchanges per hour. Can you set me up with a design engineer if needed? **** Hidden Message ***** Nick Rehm 08360 Company: Archetto E-mail: nrehm@comcast.net **** Hidden Message ***** nrehm@comcast.net