DescriptionThis is the Water Filter Media. It is specially designed for Aquarium. Use this product, you will get a clear and clean fish tank. Suitable for water filter, provide fishes a fresh and healthy environment. With the removal of yellow water, anti-algae derivatives, remove fishy odor, adsorption of nitrate, nitrite and other functions.Features-Color:Light Yellow-Material: Styrene-Size:21.00X14.00X3.00cm/8.25X5.50X1.18in-The fish tank filter media can effectively inhibit the growth of the algae and then improve water quality. -Fish tank filter media can removing the yellow water and can absorb the nitrate, providing a good environment for your fish. -The item can be reused and will not do harm to your fish, much convenient and practical. -Made of well selected materials, super toughness and resistance to pressure. -The excellent workmanship of our product will bring you a good using experience.