| Filter Rating: | Normal |
|---|---|
| Material: | Cotton |
| Layers: | 3 Ply |
| Style: | Others |
| Age Group: | All |
| Available Times: | Reusable |
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier 
We will continually strive to improve our service and provide the best quality products with competitive prices. Any inquiry or comment is highly appreciated, please contact us freely.Trial order is welcome !
| 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 | |
Suppliers with verified business licenses
Audited Supplier 
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