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 .1?m with 77% efficiencies and over 92% at 1 ?m and over 99% at 10 ?m.
Product Details :
Brand : Generic
Manufacturer : First Defense
Country of Origin : USA
Number of Memory Sticks : 1
Item part number : 12134
Product Features :
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 .1?m with 77% efficiencies and over 92% at 1 ?m and over 99% at 10 ?m.
alleviate respiratory suffering by comfortably filtering inhaled air and removing airborne germs, allergens and/or noxious particles