Schaefer - Brush, Nylon, SS/DS, Male, 4" Dia - 43764

Schaefer 43764 Nylon Single Spiral / Double Stem Flue Boiler Brush, 4" Diameter.

Flues, boiler tubes, heat exchangers, furnaces and tubes of all types where deposits are light.

Product Details

• Part Number: 43764
• Brand: Schaefer Brush
• Product Line: Flue Boiler Brush – Nylon - Single Spiral / Double Stem
• Brush Diameter: 4"
• Cleans Flue Size: 4-1/4"
• Brush Length: 4-1/2"
• Filament Diameter: 0.036"
• Filament / Wire Type: Nylon
• Construction: Single Spiral / Double Stem
• Fitting: 1/4" Male Pipe Thread
• Aggressive Level: 1 (on a 1–5 scale)