1,520 square foot pulse jet cartridge type Torit Downflo II dust collector model # DFT28. Houses (8) cartridges; has reverse jet cleaning mechanism. Housing is made of mild steel with "ledgeless" design. Unit provides a nominal airflow range of 1,020 6,300 CFM. Overall dimensions 40" wide x 91" deep x 133" tall. Airflow by a 10 HP Bayley blower.