The Aquatop Forza PFE-MINI Hang-on-the-Back Power Filter is a compact powerhouse designed for nano aquariums up to 3 gallons. Its sleek 2.1 x 1.8 x 3.5-inch design makes it an ideal choice for rimless tanks, offering a discreet yet effective filtration solution. Easy to install, simply hang it on the back of your tank, adjust the flow with the intuitive control knob, and let the filter do the rest. The PFE-MINI uses a single replaceable carbon filter pad, making maintenance quick and hassle-free. This filter delivers exceptional performance with its 3-stage filtration system, combining mechanical, chemical, and biological processes to ensure crystal-clear water. The foam intake guard protects delicate shrimp, eggs, and fry from being drawn into the filter, while the water return enhances gas exchange by breaking surface tension, promoting a healthy aquatic environment. Suitable for both freshwater and marine setups, the Forza PFE-MINI provides reliable, low-maintenance filtration that keeps your nano tank thriving. Discover the perfect balance of compact design and powerful performance with Aquatop. Compact Design: Measuring just 2.1 x 1.8 x 3.5 inches, the Forza PFE-MINI is perfect for nano tanks up to 3 gallons, fitting seamlessly on rimless aquariums. 3-Stage Filtration: Delivers clean, clear, and healthy water through mechanical, chemical, and biological filtration for optimal aquarium conditions. Shrimp-Safe Intake Guard: Features a foam intake guard to protect shrimp, eggs, and fish fry, ensuring the safety of delicate aquatic life. Enhanced Gas Exchange: The water return breaks surface tension, promoting efficient oxygen exchange for a thriving aquatic environment.