This 6-meter-long set is ideal for regularly cleaning the chimney of your pellet stove.With the extra-long connection, you can also thoroughly clean long ducts.You prevent blockages by doing this regularly. If your fireplace glass turns black and/or starts smoking a lot, cleaning the flue is necessary!!SPECS:FIBERGLASS HANDLE 80MM NYLON BRUSH6 METERS LENGTHM17 BRUSH TO HANDLE CONNECTION