Replacement Gas Horn Cannister - 250ml non-flammable gas bottle

Replacement  gas horn Cannister - a portable, effective solution for raising the alarm or alerting people of danger. Particularly suitable in situations with high levels of ambient noise, such as construction sites. NON-FLAMMABLE GAS : Not able to burn or be set alight. LOUD : 120dB output audible at distances of up to 1500m away. HFC FREE : Cannot be used for solvent abuse and does not freeze when activated.