Mining and Refining Operations: Ammonia is sometimes encountered in mining and refining processes

and scratches that can compromise both visibility and safety

The dual-purpose functionality of these cartridges sets them apart from the rest

making it a strong choice for tactical

Whether you're a prepper

PD-101 Organic Vapor Air Purifying Respirator Mask - FREE PD-452 Emergency Fire Extinguisher Blanket! Clear Mining and Refining Operations: AmmoniaFor a limited time, receive a FREE PD 452 Fire Blanket with a purchase of a PD 101 Full Face Respirator Mask! A champion amongst contenders for industrial level respiratory protection, the PD 101 is the premier choice for complete defense against environmental hazards. Parcil Safety's PD 101 Full Face Respirator comes with an industry standard bayonet style filter attachment, allowing easy interchangeability with other top filter brands, including 3M.