S/n 87-pdbv-09-006. Model 423b4mvf. Belt driven. On welded carbon steel frame. 3" dia. Sleeve connection. Sutorbilt rotary positive displacement blower: S/N 268388 model 4mv-f. Siemens-allis 10 HP motor. 230/460v. 3 phase. 60 hz. 1735 rpm. Intake filter and exhaust silencer. Designed for pneumatic conveying. Test video on file.