NU509-Flue Brushes

• Mainly used for pipe, boiler tube and flue cleaning
• Filled with round carbon steel wires
• Comes with a 1/4'' NPT fitting

Specifications

• Brush Diameter: 3-1/2"
• Brush Length: 4"
• Overall Length: 7-1/2"

Additional Specifications

• Flue Diameter: 3-3/4"
• Fill Diameter: 0.012"