AZTech Model M36-IAC Industrial Air Cleaner - 2000 CFM, 14 ga frame, 3/16" Black Matte Polyethylene Panels, 1 HP TEFC 230/460/3/60 Motor, Belt Drive Blower, 4-Way Exhaust Louvre, 16 ga. Sealed Door, Adjustable Compression Hinges, Cam Door and Filter Latches. Includes: (1) 4" Pleated Pre-Filter (1) 95% Bag Filter