The Sperian Saf-T-Fit Plus respirator is packaged 20 per box, comes in white and meets NIOSH 42 CFR 84 standards. Proper sizing is important when buying this SKU. The size for this product is XL. These types of items are designed for specific applications which feature ways of safeguarding & shielding itself and/or the user. This product is designed and manufactured such that it offers the following protection: Humidity-Resistant. This item comes with the following: Exhalation Valve, Nose Clip.