TM 3-4240-280-10
TM 3-4240-280-10
TM 3-4240-280-10
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2-2. DESCRIPTION OF MASK (CONT).<br />
d. M1OA 1 Canister and Air Duct Hose.<br />
l Air duct hose (1) is flexible, about 2 feet long, and connects the faceblank to the Ml OA1<br />
canister. It carries clean air from canister to faceblank.<br />
. Ferrule (2) strengthens connection of air duct hose to faceblank.<br />
. Ml OA1 canister (3) is filled with filter material which removes all known CB and RC<br />
agents from air breathed by the operator.<br />
l Canister carrying sling (4) provides a method of carrying Ml OA1 canister when worn<br />
outside the carrier.<br />
. Ml canister coupling (5) adapts canister to connect to the vehicle gas patiiculate filter<br />
unit (GPFU) or M8 mask adapter to the aircraft oxygen supply when flying at altitudes<br />
requiring oxygen.<br />
2-6
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