For over forty years DuroFlow® blowers/vacuum pumps have combined leading-edge technology and on-the-job experience to continuously deliver enhanced designs and improved performance. The DuroFlow design has earned a reputation as a leader in reliability and efficiency for applications that demand a dependable supply of oil-free air. The proven DuroFlow design has been further improved by incorporating an advanced air and oil seal configuration, high strength, single-piece case and innovative one-piece rotor/shaft design for superior strength and internal air sealing. Every DuroFlow is manufactured under rigid ISO 9002 quality standards and exhaustively tested to meet strict performance criteria before shipping to ensure unequaled service life under the most severe operating conditions.