Product Reviews

The MOUNTO 12-inch axial moves a listed 3,000 CFM for less money than Allegro's 831 CFM package — the raw-volume pick for big vaults, lift stations, and spaces where air changes we…

Allegro's 9533-25 is the standard-issue confined space ventilation package: an 831 CFM axial blower with 25 feet of duct in the box, sized for the manholes and vaults that make up …