The gas mask air supply unit is a compact, lightweight respiratory accessory that provides a continuous flow of air into gas masks and hood systems allowing the user to breath with ease while in an emergency situation. It is meant to be paired up to the 40MM NATO Israeli filter to provide protection from nuclear, chemical, and/or biological airborne pollutants.

The gas mask replacement filter is approved by U.S. NIOSH Labs - Approval# TC-8A-383A. It is a 40mm sealed NATO standard filter that filters out chemical agents It can withstand particle agents such as nuclear, biological, and chemical or any other airborne pollutants or contaminates.** It contains activated charcoal which is the mots sustainable element. It is meant to last, giving you a shelf life of well over 20+ years.

The M42E1 gas mask hose is flexible and easily connects with a 40mm sealed NATO standard filter. When connected to a filter cartridge these top quality hoses circulate clean oxygen without risking exposure to airborne nuclear, biological, or chemical agents. This flexible gas mask hose makes it safe and secure for the user to breathe in purified air. The gas mask hose is 15 inches long and can be connected with another hose to create a longer air purification system. This gas mask hose fits properly with various gas masks such as the Israeli adult gas mask with filter. When hose is also paired with the NATO filter/Type 80 durable canister it becomes it contributes to directly purifying the users air.

The filters com standard with the Israeli G.I. Gas Mask Upgraded Hood, the Gas Mask Hood for infants, the Israeli G.I. Civilian Adult NBC Protective Hood and Blower System, and some of the Israeli gas mask bundle kits as pictured in our lineup of gas masks.

**Gas Mask Pro acts as a third-party wholesaler and distributor and will not be held responsible what so ever for the level of protection for the products we sell and for the products on our site. These gas masks, gas masks hoods and gas masks filters provide. All the types of gas masks, gas masks hoods and gas masks filters, are sold as is.**