Inquiry (采购产品): super hecto I am interested in installing the hecto air takeoffs with adjustable dampers with arm extensions. sizes from 6 tru 14" please let me know soon as to the cost so I can decide if the cost difference is worth it. **** Hidden Message ***** mark dehart 73018 Company: DeHart AirConditioning E-mail: dehartac@swbell.net **** Hidden Message ***** dehartac@swbell.net
