GOLDEN STAR 1831 Aquarium Mechanical Filter MediaBiochemical cotton, aquarium high-density filter material. Size can be…

The product description. Description: Item type: Filtered cotton. Material: Cotton. Color: White. Features: Long-lasting. Packages include: 1 x filter sponge. Notes: 1. Due to manual measurements, allow the difference between 1-3 cm and 3-5 g of different colors. 2. Please allow colors that may differ slightly from expectations due to screen differences.

This product is suitable for seawater tank, freshwater tank, and aquatic grass tank.
The size can be cut, and you can cut the suitable size according to your demands.
The high-density clearance and softness to ensure the filtering effect.
It can decompose excrement and feed residue to improve water quality and filtration and decrease the mortality of fish. The filter sponge is reusable, and you need to replace when the fiber is loose to ensure the cleaning effect.
100% SATISFACTION GUARANTEED: We tremendously heed to our customers’ feeling, so your satisfaction is our #1 priority. If you have any issues or concerns about this item, please contact us freely at any time, we will strive our best to solve it.