Profile: Mas Air Systems, LLC. is a full service fan manufacturer with a complete spectrum of centrifugal fan designs and a specialized line of high temperature axial propeller fans. Our product line includes fans, dampers and sound attenuation products. We offer several standard fan lines including an industrial exhauster, pressure blower, airfoil/backward curve and backward inclined. We also develop in-house all volume control dampers. We provide a wide variety of drives including direct mounted arr.#4, V-belt drives, direct coupled and inverter duty drives.