High QualityThe filter protector is made of high quality stainless steel, which is wear-resistant, not easily deformed, corrosion-resistant, harmless to fish and can be used for a long time . Easy to cleanThe shrimp filter guards are very easy to clean, just use a toothbrush or other soft brush with clean water to remove debris and stains that have accumulated on the surface. Rinse clean and can be used repeatedly, it is recommended to replace it every 2 months. Function The aquarium mesh filter promotes gas exchange, increases dissolved oxygen levels , prevent the suction of large debris and clog the filtration system, remove impurities, create a virtuous water cycle and protect the fish. Easy to use The installation method of the aquarium mesh filter protector is simple. Place the filter guard over the suction port of the filter to prevent small fish fry, shrimp fry and large debris from being sucked in and blocking the filter system. ApplicationThe mesh filter guard can be used in many water-related fields, such as aquariums, tropical fish farms, koi ponds, sewage treatment systems, etc. Product Description: Filter protector with inner diameter 1.6cm fits pipes with outer diameter about 1.7cm . It is made of stainless steel, which is corrosion resistant, sturdy and durable, and is not easily deformed after long-term use. Filter shields can be used in aquariums, tropical fish farms , koi ponds, sewage treatment systems, etc. They promote gas exchange, increase dissolved oxygen levels, prevent the aspiration of large debris and clog the filtration system, remove impurities, create a virtuous water cycle and protect fish. Product details: Material: Stainless steel Size: Height: 8.8 cm/ Outer diameter: 3.0 cm/ Inner diameter : 1.6cm Package Content: 2 x Aquarium Net Filter Tips: Due to manual measurement, there may be slight deviations in the product size information. Due to the equipment, light and other reasons, product images may have chromatic aberrations, please refer to the actual product.