90% Cotton/10% Rayon AIR DUCT CLEANING TOOLS- Manufactured with high- class nylon and galvanized iron wire material, sturdy and not easy to deform. CHIMNEY BRUSH- This cleaning brush can be easily used on chimneys, dryer vents and any ducts, convenient and practical. CHIMNEY SWEEP KIT- Suitable for both metal flues and brick chimneys, including round, square, oval or clay flues, smooth wall flexible chimney liners. PIPELINE CLEANING BRUSH- This Chimney Brush can effectively sweep away soot and c
