酸性气体的子弹

Model 0302. 7E1 Acidity Gas Cartridge The following filters and their matching components are shown to meet the basic safety requirements under GB2890- 1995, for use with only compatible GaoJian twin filtering devices. This filter is meant for protection againstAcidity gases/vapors like Chlorine, Sulfur dioxide, Sulfureted hydrogen, Nitrogen oxide, markings below. E1= protection againstacidity gases/vapors with breakthrough time of more than60 minutes with gas concentration of minimum 0.1% by volume (or 1,000ppm).