Inquiry (采购产品): air balancing need pricing for air balancing one 20 ton system 40 supply diffusers 10 returns 2'x2' layins 8' ceiling one exhaust fan 4 outlets westchester county area **** Hidden Message ***** robert gomes 10583 Company: rjd mechanical E-mail: robertjgomes@aol.com **** Hidden Message ***** robertjgomes@aol.com
