- Duct Cleaning Set: This copper pipe cleaner kit includes six cleaning brushes in three sizes—1/2-inch, 3/4-inch, and 1-inch—with two brushes for each size. This versatile set is designed to accommodate pipes of various diameters, ensuring you can tackle any cleaning job. - Strong and Durable: Each brush features a robust polyethylene handle that offers exceptional durability. These brushes are built to resist daily wear, impact, and chemical exposure, allowing you to clean even unfinished metal parts without risking damage to their surfaces or intricate details. - Multi-Specification Selection: With three different sizes of copper pipe cleaners, you can efficiently address the cleaning needs of pipes of different diameters, making your cleaning tasks simpler and more effective. - Thoughtful Details: The brushes are designed with fine cleaning teeth on the inside to enhance their effectiveness. Additionally, the textured handle increases grip friction, allowing for better control and concentrated force during use, which boosts cleaning efficiency. Use Scenarios: - Perfect for maintaining HVAC systems where dust and debris can accumulate in copper ducts. - Ideal for plumbers who need reliable tools for cleaning pipes during installation or repair jobs. - Great for DIY home projects where copper piping requires regular maintenance to ensure optimal flow and performance.