DescriptionThis filter pad is made of premium material for durable and practical use. It can be used in sea water tank, fresh water tank, aqua-plant tank. And its strong filterability and thicken design can stable water quality and reduce fish died.Feature- Color: White._x005F_x000D_- Material: Cotton._x005F_x000D_- Size: Approx. 500 x 12 x 2 cm._x005F_x000D_- Effective to avoid residue and reduce the death rate of fish and chemical filtration and increase the oxygen solubility in aquarium and fish tank._x005F_x000D_- Strong filterability. It can be used repeatedly after cleaning._x005F_x000D_- Can be cut any size as your needed by yourself._x005F_x000D_- Suitable for sea water tank, fresh water tank, aqua-plant tank._x005F_x000D_- Great fish tank and aquarium filter cotton and give the fish fresh environment._x005F_x000D_Packing list1 x Filter Cotton