Carbon layer blocks livestock and nuisance odors

Use to guard against Farmer's Lung

3M's nuisance odor respriator has a lightweight, Advanced Electret Filter Media and double elastic headbands. Respirator has a thin layer of charcoal in the mask to remove livestock and nuisance odors. Use in dairy barns and animal confinement structures to guard against Farmer's Lung. Box of 20. Approval No. TC-84A-1350. USA made.