If you are concerned about breathing fluoro powders and fibers, this 3M Respirator 1/2 Mask with two 3M particulate filters is recommended.

• The filters are rated to protect you from powders and fibers sold here.
• DrD uses this mask when working with fluoro powders.
• If you work in a well ventilated area, the mask is not required.
• You get everything shown, mask & two filters.

The filters are rated to protect you from powders and fibers sold here.