Features 1、Made of stainless steel spring, it can bend freely and will not deform 2、Designed with double end, it will be more convenient to clean the curved tube and u-shaped tube 3、There are two sizes of cleaning brushes for the diameter of the cleaning tube and glass tube within 9~35mm 4、Designed to clean water pump, filter, pipe, connector and other hard to reach places 5、The brush head is spirally wound with steel wire, which is stable and not easy to fall off Specifications: Features: 1. Made of stainless steel spring, it can bend freely and will not deform. 2. Designed with double end, it will be more convenient to clean the curved tube and u-shaped tube. 3. There are two sizes of cleaning brushes for the diameter of the cleaning tube and glass tube within 9~35mm. 4. Designed to clean water pump, filter, pipe, connector and other hard to reach places. 5. The brush head is spirally wound with steel wire, which is stable and not easy to fall off. Specification: Material: Stainless steel Brush head: nylon wire Spring material: stainless steel Large Brush Size: approx. 4.7 x 3.2cm / 1.9 x 1.3inch Small Head Brush Size: about 5 x 2cm / 2.0 x 0.8inch Total Length: about 155cm / 61inch Package List: 1 x Double Head Brush Usage: 1. Slowly push the stainless steel spring into the pipe. 2. Clean the tube dirt by rotating the brush. Package List