Description
Sunsun HJ-411B Internal Filter
The Sunsun HJ-411B Internal Filter is a powerful yet compact submersible filter suitable for small to medium aquariums. It provides mechanical and biological filtration through its sponge media, ensuring clean and oxygen-rich water for your fish. With its energy-efficient motor, quiet operation, and durable build, this filter is perfect for hobbyists seeking a reliable and easy-to-maintain internal filter.
🌊 Key Features
✅ Compact Design – Saves space inside the aquarium.
✅ Strong Filtration – Sponge captures debris and supports beneficial bacteria growth.
✅ Low Noise – Quiet operation for a stress-free aquarium environment.
✅ Easy to Install – Comes with suction cups for secure placement.
✅ Energy Efficient – Low power consumption for continuous use.
✅ Durable & Reliable – Long-lasting internal filter for daily aquarium care.
🐠 Suitable For
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Tank Size: ~75L.
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Fish Types: Tetras, guppies, mollies, goldfish, bettas, shrimp, and other community fish.
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Aquarium Types: Freshwater, planted aquariums, shrimp tanks, nano tanks.
⚙️ Specifications
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Model: Sunsun HJ-411B
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Type: Internal Submersible Filter
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Filtration: Mechanical + Biological (sponge-based)
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Flow Rate: ~300 L/h.
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Power Consumption: 2W
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Voltage: 220–240V, 50Hz
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Placement: Fully submersible with suction cup mounting
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Color: Black (may vary by batch)
🔧 How to Use
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Rinse the sponge before first use.
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Attach the filter inside the tank using suction cups.
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Ensure it is fully submerged before plugging in.
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Adjust the water outlet for better circulation.
🧼 Maintenance
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Clean sponge every 2–3 weeks in aquarium water (not tap water).
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Check impeller and housing regularly to prevent clogging.
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Replace sponge when worn out for best performance.
📦 What’s in the Box
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1 × Sunsun HJ-411B Internal Filter
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1 × Sponge Filter Cartridge
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1 × User Manual
✅ Why Choose Sunsun HJ-411B?
The Sunsun HJ-411B Internal Filter is a cost-effective, efficient, and beginner-friendly filter for aquariums. Its quiet motor, strong water flow, and simple maintenance make it ideal for everyday aquarium use.
👉 Best choice for aquarists looking for a compact internal filter with dependable performance.








