Air Wing III PAPR system *components include: PAPR Unit, AirWing3 (1 EA/Case) Breathing Tube (1 EA/BAG) Tube cover (1 EA/Case; 5 pieces) Tube Holder (1EA) Battery (1 EA/Case) Battery Charger Kit (1 EA/Case) Belt Assembly (1 EA/Case) Shoulder Straps (1 EA/Case) Filter, Prefilter (Foam) (1 EA/Case) Filter, Particulate (HEPA) (1 EA/Case) Air Flow Meter (1 EA/Case)