【Shrimp protective filter】 Stainless steel basket protects shrimp and fry against suction in the filter. 【High quality】 Made of high quality stainless steel, it is non-toxic, ecological, robust, durable and has a long life. 【Mesh】 The mesh is very small so that small shrimp and fish are not sucked in the filter. 【Easy to clean】 If a cleaning is necessary, just brush the dirt that has accumulated by hand or a soft brush such as a toothbrush of filter protection. 【Polyvalent】 Ideal for tropical fish farms, Koi carp ponds, sewer 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 solvent. Trap the PAs Reticles and debris, improves organic filtration, prevents small inhabitants and babies from being attracted to the filter. These intake strainer covers slide easily on the intake tube and prevent it from it Any fish. Features: Material: Stainless steel