Mill-rose 4870 Tube Brush 1 Inch Od Horsehair Fill

Product Description

The MILL-ROSE 4870 is a 1-inch OD tube brush filled with horsehair bristles, designed for cleaning the interior of tubing, pipes, and fittings in plumbing, HVAC, and related trade applications. The horsehair fill provides effective light-duty scrubbing action to remove debris, flux residue, oxidation, and other contaminants from tube bores without damaging soft metal surfaces. This brush is a standard hand tool used by plumbers, HVAC technicians, and pipefitters during installation and maintenance work.

The 4870 tube brush is suited for use on copper, brass, and similarly sized tube and pipe ends where bore cleaning is required before soldering, brazing, or inspection. It is commonly used in residential and light commercial plumbing and refrigeration piping work. Sold in a box quantity of 6, it is practical for stocking a service van or shop for repeated jobsite use.

Key Features

• 1-inch OD brush head sized for standard tube and pipe bore cleaning
• Horsehair fill provides gentle, effective scrubbing without scoring soft metal surfaces
• Suitable for removing flux residue, oxidation, and loose debris from tube interiors
• Box quantity of 6 supports stocking for multiple jobs or technicians
• Compact, lightweight design at 1.5 pounds per package for easy transport

Compatibility

Designed for use with 1-inch OD tubing and pipe bores in plumbing, HVAC, and refrigeration piping applications.

Installation Notes

Tube brushes are a hand tool used by licensed plumbers and HVAC technicians during pipe preparation and maintenance. Always depressurize and drain the line before cleaning any tube or pipe bore. Use appropriate personal protective equipment when working with flux residue or other pipe contaminants. Replace the brush when bristles show significant wear to maintain effective cleaning performance.

Technical Specifications

• Brush OD: 1 inch
• Fill Material: Horsehair
• Package Weight: 1.5 pounds
• Box Quantity: 6

Standard Information

• Brand: MILL-ROSE
• Manufacturer Part Number: 4870