Description
SunSun HBL-803 Hang-On Filter
The SunSun HBL-803 is a versatile and efficient hang-on-back (HOB) filter designed for medium-sized aquariums (120 litres). It provides 3-stage filtration, a built-in surface skimmer, and quiet operation, making it suitable for freshwater and planted tanks.
🌊 Key Features
✅ 3-Stage Filtration – Includes sponge (mechanical), activated carbon (chemical), and ceramic rings (biological). Ensures clear and healthy water.
✅ Built-in Surface Skimmer – Effectively removes oil, protein film, and floating debris for a crystal-clear water surface.
✅ Dual Outlets – Comes with a spray bar for gentle water distribution and a direct flow nozzle for stronger circulation.
✅ Adjustable Flow Rate – Allows you to fine-tune the water flow depending on fish type (gentle for bettas/shrimp, stronger for active fish).
✅ Ultra Quiet & Slim Design – Compact, hangs neatly on the aquarium, low vibration, and very quiet motor.
✅ Easy Maintenance – Filter media trays slide out for quick cleaning and refilling.
🐠 Suitable For
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Tank Size: Up to 120L.
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Fish Types: Tetras, Guppies, Mollies, Swordtails, Bettas, Dwarf Cichlids, Shrimp, Snails, and most community fish.
⚠️ Not ideal for large messy fish like Goldfish, Oscars, or Arowana (use as secondary filter if required).
⚙️ Specifications
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Model: HBL-803
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Type: Hang-on-back external filter
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Flow Rate: ~500 L/H
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Tank Capacity:Up to 120L
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Power Consumption: ~6W (energy efficient)
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Filter Media Included: Sponge, Activated Carbon, Ceramic Rings
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Upgradable Media: Bio-balls, Fine Filter Wool, Seachem Matrix, etc.
🧱 Filter Media Setup (Recommended Order)
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Coarse Sponge (mechanical – traps dirt, waste, debris)
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Activated Carbon (chemical – removes odor, toxins, discoloration)
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Ceramic Rings / Bio-balls (biological – houses beneficial bacteria)
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Fine Filter Wool (optional) – for polishing water to crystal-clear finish
👉 For shrimp or fry tanks, add a sponge pre-filter on the intake to prevent sucking them in.
🔧 How to Install
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Hang the filter on the back/side of the aquarium.
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Attach inlet pipe with surface skimmer and connect spray bar or nozzle outlet.
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Fill filter chamber with tank water (for easy priming).
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Plug in and switch ON – water will start circulating.
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Adjust flow rate as needed.
🧼 Maintenance
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Clean sponge every 2–3 weeks in tank water (never under tap water).
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Replace activated carbon every 4–6 weeks if used.
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Rinse ceramic rings gently when clogged but never replace all at once.
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Check skimmer and spray bar for blockages.
📦 What’s in the Box
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SunSun HBL-803 Filter Body
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Built-in Surface Skimmer
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Sponge, Activated Carbon, Ceramic Rings (starter media)
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Inlet & Outlet Pipes with Spray Bar & Nozzle Attachments
✅ Why Choose SunSun HBL-803?
The SunSun HBL-803 Hang-On Filter is a compact yet powerful solution for medium aquariums. With its surface skimmer, 3-stage filtration, and dual outlets, it keeps water crystal clear, oxygen-rich, and healthy for fish and plants.
👉 Best for community tanks, shrimp tanks, and planted aquariums (120 L).







