First Defense Nasal Screen

First Defense Nasal Screen is a small, self-adhesive filter that sticks over the nostrils to block a large share of airborne particles like pollen, dust, dander, and other allergens before they are inhaled. Founder Joe Moore, based in New Port Richey, Florida, built the product for allergy sufferers and people in dusty or high-exposure environments who wanted a non-inserted, hypoallergenic barrier they could wear discreetly.

Moore's Season 2 appearance became one of the show's most talked-about negotiations. The sharks recognized the size of the potential market, and the bidding escalated quickly, including a headline-grabbing offer for the whole business that Moore countered for even more before that shark stepped away. Several of the remaining sharks ultimately teamed up on a joint offer that combined a cash investment for equity with an ongoing royalty.

The episode is remembered for how far Moore pushed the room. Walking away from one of the largest single offers the show had produced at the time was a bold move, and it cemented the segment as a classic. The product's simplicity, a tiny filter over the nose, paired with a huge addressable audience made the high-stakes haggling feel justified.

The exposure pushed First Defense Nasal Screen onto a global stage, helping the brand expand distribution and build out international relationships, including overseas distributor arrangements. The dramatic on-air bidding war kept the product in conversation long after the episode aired, which is exactly the kind of attention a niche health item rarely gets.

As of 2026 the company is still operating, with Moore continuing to lead it, and the product remains available through its official channel at filteryourlife.com. The screens are sold in multiple nostril sizes, and the brand holds patents on the design. It stands as one of the show's enduring health-product success stories.