Israeli(2012) Adult GAS MASK WITH 40mm FILTER In Original Box. Includes New Drinking system. Includes New original Nato 40MM filter. Includes New Gas mask. A gas mask is a mask worn over the face to protect the body from airborne pollutants and toxic materials. With Hebrew English Russian & Arabic Manual. The 40MM NATO filter come standard with this mask and is made to offer protection from Nuclear, Biological, and Chemical agents to name a few, offering clean oxygen. Adjustable straps to fit most anyone. Includes Canteen tube spout to allow for hydration without having to remove the mask. The mask bears the number 1 on the front forehead, meaning product size for adults, men and women. I check myself each product and sell only the best quality products. Our products are carefully inspected. We do our best to respond quickly. I accept Return Within 30 Days Of Receipt.