Xy2835 Water Fairy Biochemical Cotton Filter Aquarium Fish Tank Pneumatic Oxygen Filling Water Fairy $ 5.12 Product information: Material: plastic Product category: filter cotton/filter Weight: 100 grams Specifications: A: Neutral Blue Box 2835, B: Xinyou Brand XY-2835 Diameter 5.6cm, cotton height 3.5cm, total height 11.5cm (need to be used with oxygen pump) Packing list: Filter x1
