Shrimp Protection FilterStainless steel basket protects shrimp and fry from being sucked into the filter. High QualityMade of high quality stainless steel, it is non-toxic, eco-friendly, sturdy , durable and has a long service life. Mesh The mesh is very small so that small shrimp and fish are not sucked into the filter. Easy to clean If cleaning is necessary , simply brush the dirt that has accumulated by hand or a soft brush such as a toothbrush from the filter guard. VersatileIdeal for tropical fish farms, koi ponds, sewage systems, cooling towers and other commercial and industrial systems. Features: Good choice for your aquarium percolator. Ideal for bio balls, activated carbon, ceramics and ammonia remover. Traps particles and debris, improves improves biological filtration, prevents small inhabitants and babies from being drawn into the filter. These intake strainer covers easily slide over the intake tube and keep out any fish. Baby Description : The mesh of the filter cover is small, which can prevent weak juvenile shrimp from being inhaled and prevent large debris from being sucked into the filtration system. , white rubber at the transition has a certain ductility. Filter cover specifications: 11G weight, small inner diameter of 12mm, suitable for a variety of waterfall filters Features: Material: steel stainless Size: 6.8 x 2.5 x 1.2cm / 2.67 x 0.98 x 0.47inch Inner Diameter: 12 mm Color: silver Package includes: 2 x aquarium filters Note: 1. Please allow 0-1cm errors due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated the same. Item color shown in photos may be showing slightly different from the real object. Please take the real one as standard.