The Stanley Nuisance Disposable Dust Mask is a simple face mask which guards against dust, pollen, dander, and other relatively benign airborne irritants. This lightweight, disposable dust mask helps you get the job done without having to endure the irritating effects of airborne dusts and particles. Whether you're cleaning inside or working outside, the disposable dust mask is designed to perform comfortably in hot and humid conditions. The simple, single strap construction provides an easy-to-wear secure fit. The disposable dust mask is intended for protection against non-toxic particles only, and is not NIOSH approved for use with toxic mists or chemicals. Single-strap, adjustable nose bridge on the face mask provides a secure fit One size fits most faces for versatile protection on the jobsite Disposable dust mask is lightweight and humidity-resistant for comfortable on-the-job protection Disposable dust mask does NOT guard against asbestos, silica, and other toxic substances Latex-free filter media offers lower breathing resistance Box includes 50 disposable dust masks Protect yourself from breathing in on-the-job irritants such as pollen, dust and dander