Based on this product's specifications, here are some alternatives and similar models
Chimney Brush Bratek 250 mm Steel Wire (model 0583)
Summary description:
Chimney brush Bratek model 0583 with a 250 mm steel wire construction designed for manual cleaning of chimneys and flues. The tool features a robust steel wire brush head suitable for removing soot and light deposits from round ducts and stove pipes. Intended for regular maintenance of heating systems to maintain draft and reduce fire risk.