Professional use only for vapours and mists associated with spray painting or staining/finishing decks and wood floors. The proprietary Cool Flow? valve allows for easy exhalation and heat reduction for cool, dry comfort.3M? Professional Paint Respirator is used for certain paint spraying, solvents and pesticides. Offering both comfort and protection, 3M? Professional Paint Respirator features 3M? Cool Flow? Valve technology for heat reduction and easier breathing. Part of the 3M? Pro Series Safety Products line that was designed for the way pros think, the way they shop and the way they work. For workplace/occupational applications only.Package Contents: 1/pack