Used Pneumatic Conveying Vacuum Conveying System Consisting Of: (1) Pneumatic Conveying filtered bag dump hopper, 304 stainless steel. 42" Square bag breaking opening, back mounted 1-1/2hp blower, 10" square outlet with a Carolina Conveying model 10RVS rotary valve, driven by a 1hp motor. (1) Blower package with a Roots model 65 U-RAI blower, driven by a 20hp motor. Built 2005.