Chicago Blower fan, size 200, serial# 342425, fan tag# P.O. 14904, Inlet 21 inch, outlet ID 13 ½” x 16 to 22”, manufactured date 2017- 2018, prior use was on a wood dust collector mounted on the clean side of the filter, Motor specs.: Direct drive Toshiba 30HP, 230/460 volt, RPM 3540, 60 Hz, ENCL. tefc, Nema B, INS. F, frame 286TS, can run on 50 Hz., can test run and provide video, contact us for a price including delivery.