A non-rebreather mask is a medical device that helps deliver oxygen in emergency situations. It consists of a face mask connected to a reservoir bag that’s filled with a high concentration of oxygen. The reservoir bag is connected to an oxygen tank. The mask covers both your nose and mouth. A partial rebreather mask has a two-way valve present between the reservoir bag and mask. A non-rebreather mask has a face mask that is connected to a reservoir bag that is filled with a high concentration of oxygen. … In this type of mask, carbon dioxide is exhaled into the reservoir bag.

– With a production capacity of up to 600.000 pieces per year.