110V Dust Free Room Workshop Dial "Seal" button first and

Dial "Seal" button first and then set the  needed sealing time according to dial "Increase" or "Decrease" button

2)Pushing the center axle to the right

Diameter of the middle stick is 1 inch

Length of Handle:4

It can be widely used for voltage withstand test in electrician’s assistant instrument

110V Dust Free Room Workshop Dial "Seal" button first and110V Dust Free Room Workshop 020183 Product Parameters Voltage: 110V 60 hz Package size: 73. 2''*20''*25. 9'' weight: 201. 9lbs Material: Aluminum zinc aluminum leaf (fan) Efficiency: seclude 99. 99% particulate(0. 5um) from air circumstance. Product Features: 1. Extremely low operating power consumption, effective cost reduction. 2. Built in air duct diversion system, reduce noise, increase fan service life and improve fan efficiency. 3. Multi wing