5'' Round Heavy-Duty (Poly) Chimney Brush 3/8'' NPT

These sturdy chimney cleaning brushes will help prevent damage to older or more fragile chimneys. The spindle has a 3/4 loop on one end and 3/8 Male NPT Thread on the other. The 5SB-36048M 3/8 NPT brush rods will mate to the threads on this brush. You can also use the 5SB-30624M brush rods and a 5SB-36352M 1/4 NPT x 3/8 NPT adapter.