1.Aquarium Brush Set: We include 1 piece double head aquarium brush with tube and 2 small tube brushes.2.High Quality: The aquarium cleaning brush set is made of nylon bristles and a stainless steel brush handle.It has oxidation resistance, corrosion resistance, abrasion resistance, deformation resistance.3.Easy to use: The bristles of the aquarium tube brush are soft and will not damage the inner wall of your device.The two ends can be bent to remove accumulated algae and dirt on the small elbow and U-shaped tube.4.Removable: Made of fine nylon, the brush kit has a removable key ring that can be used quickly and easily by removing the brush.There is a hanging loop at the end of the brush handle for easy storage and storage.5.Wide Applications: Perfect aquarium cleaning brush for aquarium air hose, allows easy access to cleaning blinds such as corners and crevices of chimneys, straws, water pumps, keyboards, U-shaped pipes and filters.Water for aquariums.