EQ-CG-4L-N is an upgrade version from EQ-CG-4L and is a two-stage purifying filter to eliminate exhausted oil fumes and organic chemical from vacuum pump. Such two stages exhaust filter is able to provide a clean and safe laboratory environment.
reference picture of the vacuum pump exhaust filter :
the double stage vacuum pump that we have:
Zhengzhou CY Scientific Instrument Co., Ltd.- is a high and new technology enterprise registered in Zhengzhou,Henan province. Zhengzhou CY Scientific Instrument Co., Ltd is mainly engaged in researching and developing, designing and manufacturing of equipment used in scientific researches.