These practical chimney sweep bags are to be thrown directly into the fire with their packaging. When they burn, they destroy all soot and tar build up in the flue. As a result, you increase the heat efficiency and reduce the risk of chimney fire. Also suitable for lined chimneys. 14 x 40-g bags. Ammonium chloride, potassium nitrate and sulphur.

Dangerous, respect the precautions for use. (H272, H315, H319. Refer to the glossaire)