Metal filter tube are great for aquarium fish tank, to promote gas exchange and increase dissolved oxygen levels.
Great for tropical fish farms, koi ponds, waste water systems, cooling towers, and other commercial and industrial systems.
For use with wet dry filters to improve biological filtration.
- Total Size: 7.5 x 2cm/3" x 0.8"(L*D); Material: Plastic,Metal
- Net Weight: 13g
- Product Name: Aquarium Filter Tube
- Inner Diameter: 12mm/0.5"