Why you'll love itThis all-in-one submersible filter combines powerful filtration, wave-making, and oxygenation in one quiet unit that keeps your large tank crystal clear and healthy. Keep reading for all the details.Product DescriptionTransform your large aquarium into a thriving ecosystem with this powerhouse 3-in-1 filter system. Designed for tanks from 40-180 gallons, this submersible unit delivers 370 GPH (1400 L/H) of filtration power while creating beneficial water movement and oxygenation. The dual-layer filtration system uses biochemical filter sponges to break down waste and reduce odors, while the integrated wave-maker increases surface agitation for better oxygen exchange. At under 40 dB, it runs whisper-quiet thanks to internal noise reduction and external silicone cushioning.Interesting PointsTriple-Action Water ManagementWhy settle for just filtration when you can have it all? This unit combines powerful filtration, wave-making, and oxygenation in one space-saving design that eliminates the need for multiple devices.Dual-Layer Deep FiltrationThe black biochemical filter sponges don't just trap debris—they actively break down fish waste and leftover food, reducing yellow water and odors while extending time between water changes.Whisper-Quiet OperationSleep soundly while your tank stays healthy. Internal noise reduction and external silicone cushioning keep operation under 40 dB, making it perfect for bedrooms and living spaces.Big Tank PowerBuilt specifically for large aquariums, this 20W powerhouse handles 40-180 gallon tanks with ease, creating proper water circulation throughout even the biggest setups.Product Specifications Flow rate: 370 GPH (1400 L/H) Power: 20W Tank capacity: 40-180 gallons Noise level: Under 40 dB Type: Submersible internal filter Features: Filtration, wave-making, oxygenation Filter media: Black biochemical sponges Mounting: Suction cup attachment Usage Notes Rinse filter sponges regularly for optimal performance Sponges are reusable after cleaning Can be used with oxygen tube for enhanced aeration Suitable for both freshwater and saltwater tanks Package Inclusion Submersible filter unit Biochemical filter sponges Suction cup mounting system Installation hardware Give your fish the crystal-clear, well-oxygenated environment they deserve with this powerful yet whisper-quiet filtration system that handles even the largest tanks with ease.Shipping and Returns Listed Shipping: 2–4 days. Returns: Returns policy.