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 .1m with 77% efficiencies and over 92% at 1 m and over 99% at 10 m.
Latex free, hypo-allergenic, non-visible
Helps alleviate respiratory suffering by comfortably filtering inhaled air and removing airborne germs, allergens and/or noxious particles
Greatly reduces inhalation of allergens
All natural Light weight, no need to insert
Original First Defense Brand