First Defense Nasal Screens are a new revolutionary light weight, non inserted, non intrusive, almost non visible, hypo allergenic, self adhesive screen that covers the nasal passage and filters the air we breathe. As certified testing chart shows FDNS can make a significant difference even at sub micron levels of .1µm with 77% efficiencies and over 92% at 1 µm and over 99% at 10 µm.
- Made of 100% breathable non-latex, hypo-allergenic, skin safe material
- Designed to help protect against foreign air born particles that find their way into nasal passages.
- Reduce respiratory exposure to viruses, germs, flu’s, colds, bacteria, dust, pollen, pollutants, contaminants, second hand smoke and carcinogens.
- Helps alleviate respiratory suffering by comfortably filtering inhaled air and removing airborne germs, allergens and/or noxious particles
- All natural light weight, no need to insert; Greatly reduces inhalation; One pack (7 sets)