CEBM/UNIV. OXFORD reported an analysys of 382 trials registered up to 8 March 2020 concerning CONVID-19. Four of them are related to hydrogen inhalation.
Dimensions: 115 x 77 x 135mm (WxDxH)
Weight: 600 g
Power supply: 240-110 VAC, 12W
mobile: Lithium Ions battery
Battery: Lithium Ions battery: 3.7V 5200mAh
H2 concentration: < 1 % H2 in breathing air
H2 generation: 30 milliliter per minute
> 99 % (oxygen is separated)
Accessories: AC/DC adapter, battery, power adapter, USB-cable,
double distilled water, nose and neck diffuser
Maintenance: Only 60 ml double distilled water refill every 2-3 weeks.
30 minutes hydrogen ihnalation is comparable with drinking 60 liters of hydrogen water (1,2 ppm).
< 1 % Hydrogen in brathing air is very safe.
> 4 % hydrogen in air plus an additional ignition source
HG-004 cannot generate this high amount