An American heritage of over 100 years, Hoffman and Lamson brand centrifugal blowers are the trusted names in the water and wastewater treatment industry. Comprised of High Speed Single-Stage and Multi-Stage Technology, Hoffman and Lamson products are the most efficient and comprehensive line of centrifugal blowers in the world. Over 100,000 Hoffman and Lamson blowers have been installed worldwide ranging in flow and pressure capabilities up to 41,000 CFM and 22 PSIG respectively across twenty-four standard models. Hoffman and Lamson products are manufactured by Gardner Denver, Inc. in Peachtree City, GA USA.