When the line must be crossed, First Responders are the ones who must cross the line into danger. Their respiratory equipment must be ready and reliable to protect them against potentially lethal airborne threats. First Responders deserve the best protection available when they protect our homeland. With the MSA MillenniumA(R) CBRN Gas Mask, they will be ready. Features and Specifications: Effective against biological agents and these C.W. agents: GA, GB, GD, VX, Mustard, and Lewisite also effective against O.C. Riot Control Agent and HCN, but has not been tested or approved by N.I.O.S.H. for these applications Testing conducted by MSA and independent laboratories assures that the gas mask and canister meet the requirements for effectiveness against C.W. agents Millennium Chemical-Biological Mask comes with nosecup, drinking tube and clear polycarbonate lens outsert Filters sold separately C.B.R.N.-compliant! This mask (with optional 10046570 filter, sold separately) is C.B.R.N.-compliant which makes it a viable alternative for Domestic Preparedness or Riot Control applications Flexible, 1-piece polyurethane lens with wide field of vision is bonded to durable Hycar rubber facepiece Dual-canister mount (NATO 40mm thread) allows weapon sighting from either shoulder Drinking tube provides connection for fluid ingestion in contaminated atmospheres Fully elastic, 6-point head harness promotes easy on-off, easy adjustment, no hair pulling Internal nosecup with 2 check valves deflects air from the lens, reduces fogging Clear polycarbonate outsert gives you additional facial protection Standard mechanical speaking diaphragm included N.I.O.S.H.-approved (No. TC-14G-0254) for protection against chloroacetophenone (CN), chlorobenzylidene (CS), P100 particulate efficiency level, and particulates Manufacturer warranties: Millennium masks, a 2-year warranty, All filters, 5-year shelf life and 1-year warranty