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PPE Image Gallery: Respiratory Protective Equipment - Military

Respiratory PPE - Military

Respirator Type	Comments
M40 Mask¹ Assigned Protection Factor (APF): N/A Fit Testing Required? Yes	M40 Mask Key Features Full facepiece CBRN protective mask Single screw on filter canister combines HEPA filter (which provides protection against radiological and biological particulates) and a charcoal filter (which provides protection against chemical weapon vapors) Advantages Protects respiratory tract, eyes, and mucous membranes Can be worn continuously for 8 to 12 hours Disadvantages Fit testing required Does not supply oxygen (cannot be used in low oxygen environments) May only be used when air contaminant level is below the concentration limits of the filter (i.e., cannot be worn to enter environments immediately dangerous to life and health )
NBC M50 Mask³ NAVSEA (Naval Sea Systems Command). Chemical, Biological, and Radiological Defense. Joint Service General Purpose Mask (JSGPM) Assigned Protection Factor (APF): N/A Fit Testing Required? Yes	NBC M50 Mask Key Features Replaces the M40 mask while offering same level of protection against CBRN threats Advantages Lightweight Lower breathing resistance compared to M40 mask Provides above-the-neck, head-eye-respiratory protection Offers 24 hours of protection Disadvantages Does not supply oxygen (cannot be used in low oxygen environments) May only be used when air contaminant level is below the concentration limits of the filter (i.e., cannot be worn to enter environments immediately dangerous to life and health )

Respirator Type

Comments

M40 Mask¹

Assigned Protection Factor (APF): N/A
Fit Testing Required? Yes

M40 Mask

Key Features

Full facepiece CBRN protective mask
Single screw on filter canister combines HEPA filter (which provides protection against radiological and biological particulates) and a charcoal filter (which provides protection against chemical weapon vapors)

Advantages

Protects respiratory tract, eyes, and mucous membranes
Can be worn continuously for 8 to 12 hours

Disadvantages

Fit testing required
Does not supply oxygen (cannot be used in low oxygen environments)
May only be used when air contaminant level is below the concentration limits of the filter (i.e., cannot be worn to enter environments immediately dangerous to life and health )

NBC M50 Mask³
NAVSEA (Naval Sea Systems Command). Chemical, Biological, and Radiological Defense. Joint Service General Purpose Mask (JSGPM)

Assigned Protection Factor (APF): N/A
Fit Testing Required? Yes

NBC M50 Mask

Key Features

Replaces the M40 mask while offering same level of protection against CBRN threats

Advantages

Lightweight
Lower breathing resistance compared to M40 mask
Provides above-the-neck, head-eye-respiratory protection
Offers 24 hours of protection

Disadvantages

Does not supply oxygen (cannot be used in low oxygen environments)
May only be used when air contaminant level is below the concentration limits of the filter (i.e., cannot be worn to enter environments immediately dangerous to life and health )

References:

M40 (Wikipedia)
CBRNE - Personal Protective Equipment. Huebner KD, Lavonas EJ, Arnold JL. (eMedicine)
M50 (Department of Defense)
Joint Service General Purpose Mask (JSGPM) (Federation of American Scientists)
Joint Service Chemical and Biological Defense Program (Department of Defense)

Disclaimer:
Photos of examples of any PPE components shown on any REMM pages are intended to be illustrative examples only. The picture does NOT constitute an official HHS endorsement or preference for that particular supplier's version of that item.