Stainless Steel Water Pipe: Adopting stainless steel springs, this water cleaning brush features a large and small head , suitable for of different diameters Double Headed Fish Tank Inlet And Outlet Water Pipes: With multiple options and a spring brush , this cleaning brush is for maintaining your aquarium's water pipes Aquarium Cleaning Brush: Keep your tank clean with this stainless steel brush, designed to easily remove debris from both water and glass pipes Spring Brush : The cleaning brush features a unique spring brush , making it easy to clean both large and small diameter effectively Easy to Use: This pipeline cleaning brush is suitable for various water and glass pipes, helping you maintain a clean and healthy environment for your fish