VEVOR Hydrogen Water Bottle Generator 230 ml/8.1 oz with Nasal Inhalation Tube
Supports Nasal Inhalation: High concentration and purity hydrogen gas are ideal for inhalation. It takes 25 minutes to produce inhalable gas. Remove the water storage cup, cover the hydrogen gas outlet with your hand, fill the accessory with water halfway, screw it onto the hydrogen generator, flip it, then insert the tube into the hydrogen gas outlet to prepare for inhalation.