New 5-Layer Mask Haze Protection Work Self-Priming For Builder Carpenter Daily Filters Face Shield Dust Safety

Model Number : New Dust Mask Origin : China Usage : WORK

breathing valveMask body adopts high quality material, high relastic and will not be formed even after extrusion, more comfortable to wear and fit your faceAdjustable 2-point head belt, easy to fix and adjust, more comfortable and fit most people's headhigh quality breathing valve and adopts twice sealing technology to improve the sealabilitySuitable for preventing dust, particulatesCan be used for Polishing, Smelting, Constuction, Mining, Factory, Mining, Lab, House Fitment, Daily Haze ProtectionNote:1, Use condition: environment poisoned gas concentration is not more than 0.1% ,the volume concentration of oxygen in the air is not less than 18% ,the ambient temperature of minus 30 degrees Celsius to 45 degrees Celsius.2, The mask can not be used for tanks and other closed container work environment, does not apply to gas used for other environments .3, Check carefully before use it, check whether the components intact,exhalation valve sheet and the suction valve sheet is sealed to the body combination cartridges are close together , canisters cartridge filter is loose. 1X Half Face Mask