About This

• 【 Adjustable Water Flow 】： Our aquarium filter lets you dial in the perfect water current for your unique ecosystem—whether you're keeping calm bettas, active cichlids, or a planted community tank. Simply adjust the knob to create gentle movement for delicate species or invigorating currents for energetic swimmers, ensuring every inhabitant thrives in their ideally tailored aquatic environment.
• 【 Sleek Hang-On-Back Filter with Universal Fit 】： Designed for aquariums from 3 to 25 gallons, this slim-profile HOB filter includes adjustable extension tubes to fit a wide range of tank heights. This small fish filter securely hangs on the back of your aquarium—preserving every inch of interior space for your fish, plants, and décor, not for equipment. IMPORTANT: Always maintain the aquarium water level above the water pump's motor housing to ensure proper circulation and prevent damage.
• 【 Triple-Stage Filtration System 】：Start with dual-stage mechanical and biological filtration in our modular trays, then polish the water through a final activated carbon roller at the outlet (those filter media are included in package). This fish filter removes odors, discoloration, and dust to maintain the healthiest living environment for your fish.
• 【 4-in-1 Multi-Function System 】 This small aquarium filter integrates filtration, aeration, water circulation, and surface skimming into one efficient unit—cleaning your water, boosting oxygen, eliminating oily film, and keeping every drop moving for a healthier aquarium. Advanced modular filtration delivers complete water purification, making regular water changes a thing of the past—so you can enjoy a healthier tank with less work.
• 【 Overflow Prevention Design for Clog Safety 】： If fish tank filter media becomes blocked by excess debris, our built-in overflow bypass automatically redirects water through a dedicated safety outlet—preventing spills and keeping your aquarium area dry and secure.
• 【 Never Worry About a Flooded Motor 】：While other filters fail when water seeps into the pump, our IPX8 fully submersible motor is sealed and waterproof, which is against leaks—even if the water level shifts or splashes. No more burned-out motor, just reliable filtration. Our hang on filter is durable, we support one year warranty, if you have any issues with the product, contact our 24/7 customer support immediately. We’ll resolve it as soon as possible.
• 【 Self-Adjusting Surface Skimmer 】： Equipped with a freely floating intake that moves with water levels and rotating impellers for efficient oil film removal, this skimmer consistently maintains clear surface water. Tip: Turn off the skimmer when feeding floating foods to prevent them from being drawn into the fish tank filters.
• 【 Auto-Prime Restart After Power Outage 】： No need to refill water after a power loss—our small filter for fish tank restarts automatically once electricity returns, removing the hassle of manual priming. Travel or be away from home with total peace of mind. NOTE ！！！: 1. Initial setup requires filling the filter with water completely before first use. Otherwise, the motor will be loud and may break. 2. Ensure the water level in your aquarium remains above the pump motor during operation
• 【 Whisper-Quiet & Energy-Efficient Pure Copper Motor 】： Featuring an advanced pure copper core and magnetic levitation technology, below 35dB—so quiet that only the gentle sound of water reminds you it's on. 5W fish tank filters small with water flow rate of 93GPH, it only uses approximately 3.6 KWH per month even during continuous operation, delivering powerful filtration in near silence while saving energy.
• 【 Removable Filter Cartridges for Easy Cleaning & Customization 】： Our modular filter trays are designed for effortless maintenance—simply lift and rinse. Each tray supports both mechanical and biological filtration, while the versatile filtration plates allow you to DIY your media setup. Add your favorite fish filters for aquariums materials (purchased separately) to tailor the filtration to your tank's specific needs, keeping water crystal clear and your ecosystem thriving.