| Extinguisher Type | Maintenance | Period |
| CO2 | Visual external check | Monthly |
| Mechanical Foam | Visual external check
Internal inspection against corrosion Weighment of Cartridge |
Monthly
Yearly Yearly |
| Powder (Pressurised) | Check pressure gauge/visual external check
Check powder contents against caking |
Monthly Yearly |
| Powder (Cartridge type) | Visual external check
Weighment of cartridge Check powder contents against caking |
Monthly
Yearly Yearly |
| Water | Visual external check
Weighing of gas cartridge |
Monthly
Yearly |

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