Features:

* Compact structure, high integration, easy to use, saving laboratory space.

* Stainless steel gas storage tank, safe and reliable, can replace laboratory cylinders. 

* Hydrogen part: automatic anti-return alkali, automatic flow tracking, three-stage filtration.

* Nitrogen part: automatic anti-return alkali. automatic flow tracking. three-stage filtration.

* Oil-free compressor, better air quality, heat insulation pad choose Dow, cylinder type electrolytic cell electrolytic area, long service life. (NHA-300G)

* Air part: use oil-free compressor, stainless steel gas tank, two-stage voltage stabilization, three-stage filter, high precision, automatic drainage and perfect protection measures.