3M BT-20S / BT-20L breathing tube

Product name: BT-20S (small) breathing tube
BT-20L (large) breathing tube
Model: BT-20S
BT-20L
Product description:
In addition to respiratory protection, provide additional eye, face and head protection, breathing Unobstructed, easy
to wear for a long time, there are optional small air-conditioning systems, raising and cooling,
providing fresh air with suitable temperature and flow, the hood provides a wide field of vision,
light weight, loose and comfortable to wear, without obstruction, special inside the hood The airflow design
prevents the window from fogging and has a wide view. There is an optional small air conditioning system to raise and lower the
temperature, and provide fresh air with suitable temperature and flow.
Model description
BT-20S: 1 small breathing tube / box
BT-20L: 1 large breathing tube / box