Beeswift 8833 Mask P3V RThe 3M 8833 Valved Cup Shaped Respirator provides high level protection against fine dusts, mists, and metal fumes, combining durability, comfort, and reliable filtration. Key Features: Protection against high levels of fine dusts, mists, and metal fumes (FFP3 level). Robust shell and cup design conforms to most face shapes and maintains shape during use. 3M Cool Flow Valve reduces heat build up for enhanced comfort, especially in hot and humid