Joseph K. Moore founded First Defence Nasal Screens, a personal air filtration company that produces adhesive nasal filters. Its estimated net worth in 2025 is $50 million, having grown significantly from its initial Shark Tank valuation of $5 million in 2011.
The company maintains its US-based manufacturing operations and holds patents in over 50 countries, with an $8 million UAE contract and direct-to-consumer sales driving its annual earnings.
Joseph K. Moore founded First Defense Nasal Screens
Prior to his Shark Tank visit, founder Joseph K. Moore obtained an $8 million worldwide contract with the United Arab Emirates, indicating early market validation.
A significant advancement in personal air filtration technology is represented by First Defence Nasal Screens. Lightweight, hypoallergenic sticky screens that cover the nose covertly make up the innovative design. These ground-breaking filters preserve natural breathing patterns while providing an efficient barrier against allergens, pollutants, and airborne particles.
Joseph K. Moore saw a significant need in preventative healthcare and created First Defence Nasal Screens. Together with extra money from friends and family, his initial $600,000 personal commitment made up about $1 million in beginning capital. Moore’s dedication to product development and market readiness was evident in this large early investment.
First Defense Nasal Screens’ financial strength
For the business, the Shark Tank visit was a turning point. Joseph Moore’s proposal for $500,000 for 10% ownership led to Robert Herjavec making the biggest offer in the show’s history at the time: $4 million for full ownership. Although the deal never concluded after the presentation, the final negotiations resulted in a $750,000 deal for 30% stock with a 10% perpetual royalty.
After the company’s TV appearance, it experienced amazing growth. With significant growth in both direct-to-consumer and wholesale channels, their global expansion touched more than 50 nations. Growth was further boosted by the COVID-19 epidemic, resulting in an estimated $50 million in corporate value.
With Kenneth M. Seabol as vice president and Joseph K. Moore as president and CEO, the organisation maintains a strong leadership structure. Prominent medical experts from the University of Florida serve on their advisory board, offering vital scientific supervision and confirmation.
The company’s transformation from creative idea to worldwide health solution highlights the value of perseverance and market validation. First Defence Nasal Screens has achieved exceptional success by strategic growth, retaining manufacturing excellence, and reacting to global health challenges—all while choosing independence over Shark Tank funding.
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