![3M Aluminum Foil Tape 3340, 2.5" x 50 yd, 4.0 mil, Silver, HVAC, Sealing and Patching Hot and Cold Air Ducts, Fiberglass Duct Board, Insulation, Metal Repair : Amazon.ca: Tools & Home Improvement 3M Aluminum Foil Tape 3340, 2.5" x 50 yd, 4.0 mil, Silver, HVAC, Sealing and Patching Hot and Cold Air Ducts, Fiberglass Duct Board, Insulation, Metal Repair : Amazon.ca: Tools & Home Improvement](https://m.media-amazon.com/images/I/71i-XClPkZL.jpg)
3M Aluminum Foil Tape 3340, 2.5" x 50 yd, 4.0 mil, Silver, HVAC, Sealing and Patching Hot and Cold Air Ducts, Fiberglass Duct Board, Insulation, Metal Repair : Amazon.ca: Tools & Home Improvement
![3M Foil Tape 3340 Heavy Duty HVAC Tape 2.5-in x 150-ft in the HVAC Foil Tape department at Lowes.com 3M Foil Tape 3340 Heavy Duty HVAC Tape 2.5-in x 150-ft in the HVAC Foil Tape department at Lowes.com](https://mobileimages.lowes.com/productimages/af059978-f8e5-4756-88e7-a3d56b853f04/49198937.jpg)
3M Foil Tape 3340 Heavy Duty HVAC Tape 2.5-in x 150-ft in the HVAC Foil Tape department at Lowes.com
![3M Aluminum Foil Tape 3340, 2.5" x 50 yd, 4.0 mil, Silver, HVAC, Fiberglass Duct Board, Insulation - YouTube 3M Aluminum Foil Tape 3340, 2.5" x 50 yd, 4.0 mil, Silver, HVAC, Fiberglass Duct Board, Insulation - YouTube](https://i.ytimg.com/vi/EqL2JGLpDg0/maxresdefault.jpg?sqp=-oaymwEmCIAKENAF8quKqQMa8AEB-AH-CYAC0AWKAgwIABABGGUgZShlMA8=&rs=AOn4CLAGgitjeakmL6aZN0qjSM3DvEXgUA)
3M Aluminum Foil Tape 3340, 2.5" x 50 yd, 4.0 mil, Silver, HVAC, Fiberglass Duct Board, Insulation - YouTube
![3M Foil Tape 3340 Heavy Duty HVAC Tape 2.5-in x 150-ft in the HVAC Foil Tape department at Lowes.com 3M Foil Tape 3340 Heavy Duty HVAC Tape 2.5-in x 150-ft in the HVAC Foil Tape department at Lowes.com](https://mobileimages.lowes.com/productimages/e24df657-27d5-4709-8007-44bc0094f88b/49198939.jpg)