Ideal for use in confined spaces that require a powerhouse air ventilator, this ventilator can handle your most demanding industrial needs. With a forceful 1 hp motor, the VAF3000 can deliver both positive and negative airflow at an incredible maximum capacity of 2,796 CFM in the most difficult work environments. Features Industry leading airflow in all sizes, rated from 750-10,000 cfm Dual wall polyethylene housing designed to withstand the harshest of conditions, providing years of durability and dependability Premium quality motors rated for over 100,000 hours of heavy duty, continuous use for unmatched return on investment Safety tested to UL, CSA and CE certifications, exceeding industry standards Provides positive and negative airflow (blows and extracts) Lightweight for easy portability Stackable to save storage space Three year warranty Made in the USA