Shrimp Protection Filter The stainless steel basket protects shrimp and fry from being sucked into the filter. High QualityMade of high quality stainless steel, it is non-toxic, environmentally friendly, sturdy, durable and has a long service life . Delicate Mesh SizeThe mesh size is very small to prevent the small shrimp and fish from being sucked into the filter. Easy to CleanWhen cleaning is needed, just brush Use your hand or a soft brush such as a toothbrush to brush away accumulated dirt from the filter guard. Multipurpose Ideal 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. Captures particles and debris, improves biological filtration and prevents small and small residents from entering the filter. These inlet screen covers slide easily over the inlet pipe and prevent the fish from being inside. Specifications: Material: Stainless steel Size: Size: 6.8 x 2, 5 x 1.2cm / 2.67 x 0.98 x 0.47in Inner diameter: 16mm Color: silver Package includes: 2 x Aquarium Filter Note : 1. Please allow 0-1cm error due to manual measurement. Thanks for your understanding. 2.The monitors are not calibrated same. The item color displayed in the photos may be showing slightly different from the real object. Please take the real one as standard.