![Allegro Centrifugal High Output Blower | 9504-50 Allegro Centrifugal High Output Blower | 9504-50](https://cdn11.bigcommerce.com/s-3effd/images/stencil/252x252/products/3705/7490/9504-50_6x6_silo-1011x1024__99354.1719334230.jpg?c=2)
Fast + Knowledgeable Support
Family Owned Business
Fast Shipping
Our Complete Ventilation Systems include all the most requested equipment you need for your confined space site. The systems include your choice of our most popular Centrifugal Blowers, 6′ & 15′ of ducting with a storage bag and a Manhole Ventilation Passthru (MVP). The Centrifugal Blower Systems offer lightweight portability with the highest output available. See individual blower descriptions for CFM, weight and other specifications.