5 Best Gas Mask for Preppers

Original British Army NBC CBRN AVON FM12 RESPIRATOR GAS MASK. Original British Army NBC CBRN AVON FM12 RESPIRATOR GAS MASK. 40mm NATO Gas Mask Respirator Filter Cap (Quantity 40 count). The lightweight face piece of the CBRN FM12 is designed to provide a high level of wearer comfort combined with very low breathing resistance.