| Customization: | Available |
|---|---|
| Filter Rating: | Normal |
| Material: | Cotton |
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| Canister protection type | Protective gas | For example | Remarks | ||
| New model | Old model | ||||
| Brown | A | 3# | Organic gas or steam | Benzene,anilines,carbon tetrachloride,nitrobenzene, chlorpicrin | Common types |
| Green | K | 4# | Ammonia and organic derivatives of ammonia | Ammonia | |
| Blue | H2S | 8# | H2S | H2S | Confirm the gas type before using |
| Gray | B | 1# | Inorganic gas or steam | Hydrogen chloride,Hydrocyanic acid,Chlorine | |
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