Classic 18g Orange Smoke Cartridges (Pack of 5)18g Orange Smoke Cartridges produce a greater volume of smoke with a longer burn time. Perfect for testing air filters, fume hoods, air balancing and fans. Orange smoke can also be used for photography, special effects and more.Approx. 17m³ of dense smoke150 second burn timeComplies with BS5440-1Coloured dye may stain surfacesOrange smoke
