Flue Brushes, 3-1/4" Dia. x 4" L, 7-1/2" Overall Length

• 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: 3-1/4"
Brush Length: 4"
Overall Length: 7-1/2"
Flue Diameter: 3-1/2"
Fill Diameter: 0.012"