【Shrimp protection filter】 Stainless steel basket protects shrimp and juvenile fish from being sucked into the filter. 【Quality stainless steel】 This robust filter protector is made of durable stainless steel and acrylic. Doesn’t rust easily. They are robust, compact and resistant to deformation. Ideal for long-term use and replacement. 【Easy to use】 Cover the sponge directly above the water inlet of the filter cover. They can be easily connected to the air inlet of the filter, such as the filter, filter tank and other associated filter devices. li> 【Easy to clean】 If cleaning is required, simply brush the accumulated dirt off the filter protector by hand or with a soft brush such as a toothbrush. Versatile Ideal for tropical fish farms, koi ponds, sewage systems, cooling towers and other commercial and industrial systems. Functions: Good choice for your aquarium percolator. < Br> Ideal for biocorbs, activated carbon, ceramics and ammonia remover. < Br> Captures