$24.20 was $27.50

Smoke matches

Smoke emitters an essential tool for spillage testing and mapping ventialtion paths

Also come in a palletes for higher volume smoke such as in plant rooms

http://www.gasstop.com.au/product/247/smoke-pallets

Current Spillage test info sheet no.38 now requires smoke testing for all gas applaince servicing

https://www.esv.vic.gov.au/gas-technical-information-sheets/using-carbon-monoxide-detection-equipment-to-check-gas-appliances-for-spillage/

 

 

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