What Happened to First Defense Nasal Screens After Shark Tank
fFirst Defense Nasal Screens, also called FDNS, are hypoallergenic, self-adhesive nasal filters designed to sit externally without insertion. Product design focuses on protecting users against airborne allergens, pollutants, and viruses while allowing natural breathing. Invention credit goes to Joe Moore, a cancer survivor who presented the product on Shark Tank Season 2, Episode 2. FDNS […]
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