First Defense Nasal Screens, first featured on ABC's Shark Tank , are the world's first 100% breathable, non-inserted hypoallergenic self-adhesives that help filter a variety of potential inhalation risks, including bacteria, respiratory viruses, airborne allergens, carcinogens, and dust. First Defense Nasal Screens Features and Benefits: Nasal Screen Can Be Worn Up to 24 Hours Nasal Defense for Airborne Germs and Particles Ideal for Those Who Work in Construction, Hospitals, or Landscaping Not For Use with CPAP Device or in Place of a Respirator Nasal Screen Can Be Worn Up to 24 Hours To apply the nose filter, peel off the paper backing and attach the adhesive to the rim of each nostril. Each screen can be worn once for up to 24 hours before being replaced. Nasal Defense for Airborne Germs and Particles Airborne respiratory droplets hang in the air for up to a few hours and are typical 1-5 microns across. These particles like to hang out in the nasal passage where they can reproduce and become things like allergic rhinitis (aka hay fever) and other respiratory ailments. This self-adhering nasal filter is effective against airborne particles 1 micron across and can reduce respiratory suffering by preventing the inhalation of secondhand smoke, pollution, pollen, noxious particles, mold spores, dust, and other allergy-causing contaminants. Occupational lung disease can become a thing of the past without having to wear a mask when you filter your inhaled air with First Defense Nasal Screens! Ideal for Those Who Work in Construction, Hospitals, or Landscaping The screens fit over your nostril openings and are ideal for use in the following environments: Construction Hospital Landscaping Mining Painting Travel Not for Use with CPAP Device or in Place of a Respirator This product should not be used in conjunction with a CPAP device, nor should it be used in place of a respirator against toxic or hazardous vapors. 6.89E+11,89076-415-76