Fuller Co rotary positive displacement blower. Model 3MV-F. Blower is driven by 3 hp 1730 rpm motor. Blower has a 2" inlet and a 2" outlet with an 8" diameter x 24" long silencer. Blower has a Vac-U-Max stainless steel acoustic insulated enclosure. Capable of up to 59 cfm. Serial # 218998. Requires 208-230/460 vac 3 phase electrical supply.