43404 - Schaefer - SS - Extra Stiff - DS/DS - Female Brush Dia 1/2" - (1EA)

The 43304 - Schaefer SS Extra Stiff DS/DS Female Brush Dia 1/2" (1EA) is a stainless steel, extra-stiff internal tube brush designed for demanding cleaning applications in industrial environments.

🔧 Product Specifications:

• Brush Diameter: 1/2"
• Brush Length: 4"
• Total Length: ~42" (for long-handle variants)
• Fill Material: Stainless Steel
• Fill Diameter: 0.007"
• Construction: Double Spiral / Double Stem (DS/DS)
• Tip Style: Cut End
• End Type: Female Thread
• Recommended Use: Cleaning boiler tubes, condensers, heat exchangers, and other narrow or high-temperature tubing