2-28. AUXILIARY EQUIPMENT (CONT).
Gas Particulate Filter Unit (GPFU).
If NBC exposure is suspected, all air filter media should be
handled by personnel wearing protective equipment.
Consult your unit NBC Officer or NBC NCO for appropriate
handling or disposal procedures.
Protective mask and filter unit will not protect against
Perform Steps (1) through (9) only when under Nuclear,
Biological, or Chemical (NBC) attack or when ordered to
For detailed information concerning protective mask refer
to TM 3-4240-280-10.
There are two M-3 heaters, hoses and air duct sockets.
Remove protective mask (1) and canister (2) from pouch (3).
Put on protective mask (1).
Clear and seal protective mask (1).