Well-made of good materials, effectively remove some bad substances in water. Use this box to place the fish tank filter to absorb impurities, purify your water naturally. Fine workmanship ensures the efficiency of water purification. Features -Color:Blue -Material:PVC -Size:38.50X11.50X9.50cm/15.13X4.52X3.73in -Maximum water flow: 1200L/h -Recommended fish tank width: -47cm -The external hanging design of the aquarium filter box is both convenient and effective, allowing for easy installation and maintenance. -With its space-saving top installed filter design, this filter box is perfect for those looking to arrange their tanks in a neat and organized manner. -The drip box of this filter box enhances the oxygen content of the water, promoting a vibrant and healthy environment. - It can quickly remove bad substances, peculiar smells, purify and soften water and pigments. -The hardness of the plastic material can keep it not easy to deform under normal wear. -For friends who have a fish tank at home, this is a good gift, they will definitely like it very carefully. Package list: 1 x filter box