MTR4F4
1. The Comair Rotron MTR4F4 is a 4-inch axial fan with a maximum airflow of 52.02 cubic feet per minute (CFM) at 1.57 inches of static pressure.
2. It is manufacturing with a plastic impeller and a steel frame and includes a high-efficiency external rotor motor.
3. The motor features brushless external rotor motor technology and is thermally protected to prevent over-heating of the fan motor.
4. The bearing system makes use of steel ball bearings that provide superior bearing life and quiet operation. The ball bearings are lubricated with a special high temperature-resistant grease.
5. The Comair Rotron MTR4F4 is UL recognized, RoHS compliant, and meets the requirements of AMCA-99-2904 for UL insulation class-A1 and B5 temperature ratings.