INSTRUCTIONS
Here are some easy instructions to follow concerning the patented FILTERUS device. You can attach it to any mask for more oxygen. If you are wearing a mask, add a FILTERUS!
BREATHE BETTER WITH FILTERUS
HOW IT WORKS
The following videos will show how FILTERUS works, so that you can breathe better wearing any mask. The patented snap fits on any mask tightly to the face. The two way exhalation valve expels CO2 while fresh oxygen is replenished through the mask.
BREATHE BETTER WITH FILTERUS
