<b>SPECIFICATION</b><br> Type: Activated carbon filter set<br> Standard: GB<br> Cartridges: P-A-1, P-B-1, P-E-1, P-K-1 for choice<br> <br> <b>PROTECTION OBJECTS</b><br> <b>P-A-1: </b> organic gases and vapors, chlorine benzene, acetone, alcohols, anilines, carbon dioxide, carbon tetrachloride, chloroform, methyl bromide, methyl chloride, chloropicrin and 1000 kinds of gas<br> <b>P-B-1: </b> arsine, phosgene, chlorine, cyanogen chloride, hydrogen cyanide,double phosgene, chlorinated, benzene, mustard gas, dichloromethane, methyl bromide inorganic gases and steam<br> <b>P-E-1: </b>sulfur dioxide, chlorine, phosgene, hydrogen sulfide, nitrogen oxide, phosphorus and chlorine-containing, organic pesticides, hydrochloric acid, sulfuric acid other acid gases and vapors<br> <b>P-K-1: </b>ammonia<br> <br> <b>WARNING: </b>For your safety, according the working environment you should replace filter cotton timely and choose different cartridges protecting from toxic gas. The effective time of each cartridge proof against organic vapor last above 45 minutes. When the filter cotton is dirty, damaged or the respiratory resistance is significantly increased, please leave the contaminated area in time and replace<br> <br> <b>NOTE</b><br> 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. <br> 2. The mask can not be used for tanks and other closed container work environment, does not apply to gas used for other environments . <br> 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. <br> <br> <b>PACKING LIST</b><br> 2 x Filter Cartridges (1 Pair) <br> 2 x Filter Cottons<br> 2 x Transparent Covers