Specifications:
1) With the house adapter at the chin position
2) Service life, min: Depending on the selected canister

Specifications:1) With the house adapter at the chin position2) Service life, min: Depending on the selected canister 3) Penetration:≤0.005% 4) Leakage coefficient: ≤0.0001% 5) Inhalation resistance, dapa<20 6) Total field of vision: 75% 7) Binocular field of vision: 35% 8) Total weight: 1,400g9) The mask is available in three sizes, (Small, medium, large)Outer packing:Carton box