First Defense Nasal Screen Instructions

Watch how to apply the First Defense Nasal Screen correctly for best results. As seen on ABC's Shark Tank First Defense Nasal Screens are clinically proven to prevent up to 99% of air born allergens including: Pollen Germs Bacteria Pollution Pet Dander Molds Dust And other airborne contaminates. Made in the USA

First Defense Nasal Screens, 7-Sets Per Pack

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.