∆ Lasting twenty-year shelf life
∆ Durable bromobutyl rubber construction (which meets CBRN protection standards)
∆ Full-face panoramic design with a large visor to enable a wide-angle view
∆ Fits up to two standard 40-mm 1/7” NATO filter cartridges
∆ Comes with a pre-installed hydration system and canteen. Note that the canteen has a capacity of 900 ml.