This hose brush is ideal for cleaning small diameter pipes, Allows you to clean pipes of different sizes, Ideal for cleaning pumps, filters, pipes, connectors and other hard-to-reach areas. Industrial-grade design, the bristles are spiral-shaped and have good contact with the straw wall. The straw is more thorough and cleaner. Suitable for all aquariums, fish tanks, pet drinking fountains and home kitchens. How to use: Use mild detergent and warm water, rinse thoroughly with cold water, make the tube as straight as possible, then operate the brush in a short and gentle reciprocating motion, and then clean gradually. Flexible Double-Headed Cleaning Brush: Adopting rotating bristle pipe brush, stainless steel material, flexible long brush design at both ends, the flexible tube cleaning brush makes cleaning easier. Colour:Black Material:Stainless steel + nylon Package Contents: 3 * Aquarium Cleaning Brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.