34812 - Schaefer - Pro-Sweep - Heavy-Duty - Round Poly SS/DS 12" - (1EA)

The Schaefer Pro-Sweep Heavy-Duty Round Poly Brush (Model 34812) is the largest in the Pro-Sweep series, designed for professional chimney cleaning in sensitive environments.

🔧 Product Specifications

• Model: 34812
• Diameter: 12 inches
• Brush Body Length: 7 inches
• Filament Diameter: 0.75 inches
• Spindle Diameter: 0.405 inches
• Thread Type: 3/8" Male Pipe Thread (NPT)
• Construction: Single Spiral / Double Stem (SS/DS)
• Filament Material: Polypropylene
• Weight: 1.8 lbs 

✅ Recommended Use

• Ideal for flues burning coal, oil, or gas, especially where acidic byproducts may corrode steel bristles.
• Safe for insulated metal chimneys, stainless steel, or metal stove pipes where scratching must be avoided 
• Suitable for older or fragile chimneys requiring gentle but effective cleaning.