Use this Imperial 7-in chimney brush that features durable, black polypropylene fiber bristles for occasional cleaning and maintenance of your chimney to remove creosote, ash and soot to help prevent fire hazards and improve heating efficiency. In addition to the top loop that can be used to attach a pull line or rope, the poly brush has a 3/8-in NPT threaded male end that allows you to connect a pull ring to secure a second line or to connect a flexible brush rod for extended reach. This versatile design offers flexible cleaning methods to suit your needs, ensuring the brush can navigate around bends and reverse in direction to make it easy for DYI projects and homeowner use. The brush is compatible for use with 7-in round single-wall stove pipe and in metal chimneys and flues. Chimney brush rod and pull ring sold separately.