The size is 180 x 180 x 65 mm, which is 7" inch.

It weights 1.8 kg with two-ball bearings.

Pass dialectic withstand voltage test: 1 min. at 1500Vac, 50/60Hz.

Approved by UL, CUL, TUV and CE.

Also it is environmental friendly with RoHS compliant.

Two voltages 110V or 220V are available.

Under 60Hz it performs 3250 rpm, and airflow is 420 cfm with static pressure 0.93 inch-H2O.

Both solid appearance and efficient ability are its strengths for heat energy saver. This must-have item is widely applied in telecommunication, medical and industrial area, and is thermally protected.