BNF Useful Practical Stainless Steel Mesh Fish Shrimp Aquarium Filter Guard 16mm Trickle Aquarium Filter  (Mechanical Filtration for Salt Water and Fresh Water)

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 wetdry filters (here is not included), to improve biological filtration.An attractive way to make your aquarium shrimp fish safeTiny animals like most freshwater shrimp, invertebrates, as well as small fish and fry are at risk of being sucked into the large slots on most standard intake strainersWhen cleaning is required, simply brush any accumulated debris off of the filter guard with your hand or a soft brush of some sort like a tooth brushMaterial: Stainless Steel. Size(DxH): approx. 8x2.5cm3.15x0.98inch, Mouth Inner diameter: approx. 16mmPackage Includes:1Pcs Filter Guard