Oxygen Mask Concentration

1. The mask is contaminated with foreign bodies such as blood stains or droplets.

2. The user feels increased respiratory resistance.

3. Damaged masks.

4. Dustproof filter cotton: under the condition that the mask fits well with the user's face, when the user feels great respiratory resistance, the filter cotton is full of dust particles and should be replaced with a new mask.

5. The gas filter box should be replaced when the mask fits well with the user's face and the user smells the poisonous smell.

6. Wear normal masks: Activated carbon masks can be used for 2 days, and N95 can be used for 1 week.

If the mask has not been worn for a long time after cleaning, it is better to clean it again.

Hot Tags: oxygen mask concentration, China, manufacturers, suppliers, factory, wholesale, cheap, low price, Oxygen Mask And Tubing, Oxygen Mask Military, Oxygen Mask Bong, Children s Mask