This is the gas mask issued to Israeli civilians when threatened with chemical or biological attack. It has full NBC (Nuclear, Biological, Chemical) protection, and comes with one sealed NATO filter. Gas mask is 1 size fits all for adults age 12 and older. Mask is new, unissued condition and has hydration port, allowing the user to drink without having to remove the mask. Gas Masks and Gas Mask Filters are not for sale outside of the U.S.A. Sold as a novelty item only. Gas masks, filter and accessories are Not Returnable or Refundable.