The N95 Disposable Breathing Valve, 10/box is a secure seal respirator designed to provide quality and reliable respiratory protection to the wearer. It's lightweight, detachable and cost-effective, and is compatible with a variety of protective eyewear and hearing protection. Its structure has an adjustable nose clip that provides a personalized and secure seal, and a nasal cushioning foam responsible for reducing the potential for fogging. A four-point fiber fastening two-strap design also helps provide a secure, comfortable fit. Plus, this disposable mask is NIOSH approved, meaning it offers at least 95% filtration efficiency against non-oily particles.