The Classic 3 - 3g Smoke Cartridges (pack of 10) are Grey/White in colour and are used for airflow testing of chimneys, flues, and ventilation systems

They have an easy to use finger grip base and are supplied in a resealable plastic pack

Specifications

• Smoke duration 45 seconds
• 2.5㎥approx. of dense smoke
• Non-toxic and oil-free
• Complies with BS5440-1

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