External Hang On Back Fish Tank Filter - WP-303H For Small nano fish tanks up to 40L

🔍 Flow Control – Monitor and control water flow rate. 💧 Multi-Stage Filtration – Includes sponge (mechanical), activated carbon (chemical), and bio-media (biological). 🔇 Quiet & Efficient – Low-noise 5W motor ensures peaceful operation. 🌊 280L/H Flow Rate – Ideal for tanks up to 40L; promotes circulation and oxygenation. 🛠️ Easy Setup – Hang-on-back design with adjustable intake tube for flexible positioning.