Over the years, I have tried a few of the common options out there for ductwork including home store HVAC, sewer & drain PVC, and economy snap-lock pipe. Below on the left you can see my old HVAC ductwork system in my first shop in Temecula, CA. I was running a Penn State Tempest...
Factory Price Self-Holding Installing HVAC Ductwork Glass Wool Aluminum Foils Duct Purchase Qty.: (Pieces)1-99100+ FOB Unit Price:US$0.42US$0.31 Port:Shanghai, China Production Capacity:50000/Month Payment Terms:L/C, T/T, D/P, Western Union, Paypal, Money...