These are designed for testing a flue or chimney for any spillages. They create a dense smoke to expose any potential issues. They are sold in various colours and can be either matches or cartridges.
Pack of 10
Smoke Colour: Orange
Burn time Grading: 3
Technical specification
Waist Sizead63ci7gtTypeSmoke PelletManufacturer Model No334003Brand NameArctic Hayes