HYZ4/2 isolated positive pressure oxygen breathing apparatus are mainly suitable for poisonous and harmful gas of coal mine, fire fighting, chemical industry, tunnel, scientific research and high-rise buildings, rescue and relief in anoxic disaster environment and seek for expedition.
1.Logical structure design, comfortable and reliable.
2.Logical casing design, crush-proof, good impermeability, safe and stable.
3.HYZ4 cooling canister chamber equips with drainage, which protects against the breathing system resistance.
4.Excellent cooling performance, light and easy to carry.
5.Adjustable constant flow unit: Users can adjust the oxygen supply constant amount according totheir needs. The supply is stable, clear and long lasting.
6.Self-supplement unit: supplement oxygen in time, safer and save more oxygen.
7.Facemask is equipped with quality speaking unit and drainage , more convenient and userfriendly.