Product Overview: The SERA-BIOACTIVE IF 400 + UV Innenfilter is an advanced filtration system ideal for medium to large aquariums, offering Performanceful UV sterilization to ensure clean and healthy water Key Features: ‣ Built-in UV sterilization eliminates harmful bacteria ‣ Bioactive Filtration supports healthy aquatic life ‣ Easy Installation and low maintenance Technical Specifications: ‣ Filter Type: Bioactive filter with UV sterilizer ‣ Usage: Mechanical and biological filtration