The product is a textbook titled "HVAC Duct Construction Standards - Metal & Flexible, 4th Edition" by Smacna. It falls under the series Smacna-9781617211263 and was published by Addison-Wesley Educational Publishers, Incorporated. The book is a trade paperback with 416 pages and is written in English. It serves as an educational resource for those studying HVAC duct construction standards, specifically focusing on metal and flexible materials.
