Fume hood is the most commonly used exhaust equipment in the laboratory for the part area air ventilate, it is many variety, due to the different structure, use condition is different, the ventilation effect is not the same. The performance of the fume hood, mainly depends on the speed of the moving the air of the fume hood.
 
--Steel fume hood: Use the steel of Baogang or the same grade 1.2mm cold-rolled steel bending forming, surface after EPOXY spray anti-corrosion treatment.

 --Windows: 5mm thick safety glass, window with stainless steel chain drive, counterweight, height can be parked in any position, no noise, greatly extending the service life; Automatic homing function (with self-rebounding pulley cable and automatic return belt), the opening height above the center, the window has an automatic return to the middle of the function.

--Set hood: the use of PVC welding material forming, with condensate tank function.