Heavy-Duty Spiral Bristle Brush for Bottle and Tube Cleaning #3774614 (License: Personal Use)

This high-performance cleaning brush features tightly wound black nylon bristles in a spiral configuration for effective scrubbing inside narrow vessels. Its sturdy, speckled gray handle appears to be made of stainless steel or coated metal, offering durability and resistance to corrosion during repeated use in wet or chemical environments.

Commonly used in laboratories, kitchens, and industrial settings for cleaning pipettes, test tubes, beverage bottles, and HVAC ducts; matches user intent for purchasing specialized cleaning tools online.