ITEM NAME:Aquarium Fish Tank Double Layer Filter Foam Sponge Cotton Pad Mat Media OA Material: Biochemical cotton Package includes: 1 x Sponge Filter 1.Please allow 0.5-1.0 inch differences due to manual measurement, thanks. 2.Please understand because of the light irradiation or computer display difference, the item`s color might be slightly different from the pictures..Can quickly adsorb ammonia, nitrite, nitrate, phosphate. Cotton filter for fish tank, double-layer designed, is dense and fine for water purification. Material: Biochemical cotton.
