How Many Liters Of Oxygen Do You Need For A Non Rebreather Mask?

How Many Liters Of Oxygen Do You Need For A Non Rebreather Mask? A non-rebreather mask can deliver between 60 percent to 80 percent oxygen at a flow rate of about 10 to 15 liters/minute (L/min). They’re useful in situations when people have extremely low levels of blood oxygen, since they can quickly deliver oxygen