KEYFUN Reusable Double Cartridge Chemical Half Gas Mask Respirator:
Main Material: Rubber facepiece; Actived Carbon Filter
Color: Black, blue and any
Inhalation resistance: 40L/min < 3.5mm H2O, w/o filter
Exhalation resistance: 40L/min < 18.5mm H2O
Gas life of filter cartridge: >200 minites
Pressure Drop of filter cartridge: 40L/min < 17.0 mm H2O
Gas cartridge can be replaced: Yes
Durable elastic adjustable headbands: Yes
Packing: Each with a color box, 50pcs/ctn
MEAS: 66.5X36X54cm
W. G: 21kg
Standard: EN149: 2001
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