flexible two-end long brush, and it can reuse for many times, easy to push and pull.The multifunctional aquarium brushes 10 different sizes brush,perfect for your fish tank cleaning,filter systerm,hose/glass tube,water pump accessories cleaning The hose brush is perfectly used to clean small diameter pipes and it remove the gunk build up and even algae when they run into the tubing. perfect for all aquarium,fish tank and home kitchen.the aquarium filter brush made of high quality nylon bristles,attached firmly on the stainless steel handle,all brushes have a convenient loop at of the handle to hang when not in use or to reattach to the key ring for safe keeping suit for cleaning water pump, filters, Pipe, Connector, and other hard to reach .perfect for your fish tank daily cleaning and home kitchen use. HOW TO USE: use a mild detergent and warm water,rinse thoroughly with cool water,keep the tube as straight as possible and gently work the brush in a back and forth motion, in short strokes, gradually working further inside the tube.Avoid aggressive use when cleaning. colour:black & blue material:nylon size:Brush: 20cm, double-ended brush: 150cm Package Contents: 1 * brush 1 * double-end stainless steel cleaning brush Only the above package content, other products are not included. Note: Light 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.