Polypropylene Blowers, Acid Resistant Polypropylene Blowers, Chemical and Acid Resistant Blowers for Fume Scrubbers, Plating Operations, Lab Hoods, Fume Hoods, and Carbon Adsorbers. Polypropylene Centrifugal High Efficiency Blowers designed for Maximum Operating Efficiency and Low Noise. High Pressure Blowers Capable of Operating at Pressures up to 10" SP-WG. Either Belt Drive or Direct Drive Configurations, Polypropylene High Pressure Blowers utilizing Radial Impellers are also available.