Are you worried about the dangerous batt accumulation in your dryer vents?Is your clothes drying in the dryer for a longer period of time?This practical and effective dryer duct cleaning tool kit will help you reduce drying time and improve dryer performance. And it also can be used in chimney, boiler and so on.Item Details:It is very suitable for cleaning chimneys from top to bottom or through fireplaces, cleaning the stoves by oneself saves moneyIt can be used with electric drill. With the help of large rotating force, brushing can even remove the most stubborn accumulation in flue or chimney. It helps to prevent flue fire.Specifications:Name: Pipe cleaning brush setBrush material: nylonProduct length: about 41cm/61cmBrush head: diameter: 10CM. Hair length: 4CM.Specifications: 9 / 12 / 15 / 18 Rods + 1 brush head + 1 M8 ThreadUses: chimney brush dryer pipe inner wall cleaning brushHow to use:Step 1: Connect the rods one by one.Step 2: Attach the bristles with rods.Step 3: Put the brush in the fireplace;Step 4: Push the rod into the smoke;Step 5: fixing drill with the rod;Step 6: Start cleaning the fireplace.Package Include:9 / 12 / 15 / 18 Rods + 1 Brush Head + 1 M8 ThreadSERVICE: If you have any questions, please contact us by email and we will answer your questions within 24 hours.