Labman-GHA304-Hydrogen Air Generator (2 in 1 )

Hydrogen Air Generator is a multi-purpose instrument
LED Display, Easy to Operate, High degree of automation, 
gas can be produced by starting the switch
Over pressure protection with an alkali liquid is used
Two-stage over voltage protection & voltage stabilization 
devices
Drainage switches &  dust filtration for multi-stage
 purification, 
Low Vibration, Low Noise, Stable, output pressure &  flow rate.