【External Compact Filtration】 Φ60mm (canister body) x H150mm cylindrical eliminates redundant internal structures and maximizes volume utilization. As a filtration device for nano or small water systems, it meets space-saving and efficient filtration needs. Suitable for aquariums with freshwater systems up to 5 gallons (20L). 【Multi-layer Filtration Media】 Capable of configuring different filter media to achieve multi-stage filtering. The three-layer design of filter sponge, fine filter cotton, and bioball filter medium in the filter net helps remove impurities and organic matter, ensuring thorough water filtration. 【Easy Usage】 The matching filter media is pre-assembled in the drum and can be used directly. The arrangement of accessories and filter media has been carefully designed to enable quick disassembly and assembly for easy maintenance and cleaning. The bioball is equipped with mesh bags for easy access and can be replaced later with LANDEN BioBall as an option. 【Minimalist Design and Appearance】 The canister body is made of stainless steel with the LANDEN logo on the bottom. This is beautiful and understated in visual effect and can perfectly match and integrate into the natural style of small aquarium systems. 【Flow Generator】 It can be used as a flow generation device for an aquarium system, which can effectively improve water circulation efficiency. There is no obvious noise when used, so it will not interfere with your daily life. LANDEN PURA 50 is a mini external canister filter that supports an aquarium system of up to 5 gallons(20L). It can be installed with the appropriate filtration media, providing complete filtration for nano or small aquarium systems. Setting the outlet's location can also be used as a flow generator for aquariums to improve the circulation efficiency of the aquarium system and create an ideal aquarium environment. Its cylindrical shape utilizes the maximum space for efficient filtration functions, and the stainless steel body design highlights the natural-style aquascape setup.