Honeywell Saf-T-Fit Plus N95 Disposable Respirators are an excellent fit for any number of applications such as sanding, welding, metal pouring and insulation installation. They're also versatile enough to be implemented in lawn and garden projects. The inclusion of an exhalation valve allows hot air to exit respirator for greater comfort while a boomerang nose seal offers improved comfort and fit. Honeywell Saf-T-Fit Plus N95 Disposable Respirators provide Professional Grade Protection.