MANY YEARS AGO, I paid good money out of my own pocket to learn how to design a duct system. I won’t say to whom I paid this money, because I got ripped off. What I “learned” was how to find .1 on a ...

Feature an 8- or a 12-in. metal blower system with 15- and 25-ft. duct built into a heavy-duty polyester carry bag The Air Bag 8 and Air Bag 12 feature an 8- or a 12-in. metal blower system complete ...

Allegro Industries manufactures the most comprehensive line of plastic and metal ventilation blowers on the market. The new 8" Plastic COM-PAX-IAL Blower model with canister features 50’ of ducting.

The unique and versatile Allegro Mini-Pak design is available with choice of 15- or 25-ft. retractable, non-collapsible ducting. This high output blower features a compact design that stores ducting ...