Description:This cleaning brush is made of high quality stainless steel spring that can be freely bent and will not become deformed. Designed with double ended, which will be more convenient to cleaning bent pipes and U-shape tube. With two sized cleaning brushes, which suitable for cleaning pipes and glass tubes diameter within 9~35mm. Ideal for cleaning water pump, filters, pipe, connector, and other hard to reach places.Features:Made of high quality stainless steel spring that can be freely bent and will not become deformed.Designed with double ended, which will be more convenient to cleaning bent pipes and U-shape tube.With two sized cleaning brushes, which suitable for cleaning pipes and glass tubes diameter within 9~35mm.Ideal for cleaning water pump, filters, pipe, connector, and other hard to reach places.We have 3 colors, you have more choices on color.Specification:Specifications:Condition: 100% NewBrush Wire Material: NylonSpring Material: Stainless SteelBig Head Brush Size: Approx. 4.7 * 3.2cm / 1.8 * 1.3inchSmall Head Brush Size: Approx. 5 * 2cm / 1.9 * 0.8inchTotal Length: Approx. 155cm / 61inchPackage Weight: Approx. 68gHow to use:1. Slowly push stainless steel spring into the pipe.2. Drive the cleaning brush cleaning the tube dirt.3. Clean the product and air drying after usingPackage Include:1 x Tube BrushNote:1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard..