Description
SunSun Canister Filter HW-603B
The SunSun HW-603B Canister Filter is a compact and efficient external filter designed for small to medium aquariums. It provides multi-stage filtration, quiet operation, and easy maintenance, making it ideal for hobbyists who want cleaner water and healthier fish.
🌊 Key Features
✅ Multi-stage filtration – Includes coarse and fine sponges for mechanical filtration; space available for ceramic rings or bio-balls for biological filtration.
✅ Adjustable flow rate – Flow can be fine-tuned to suit community fish, shrimp, or planted aquariums.
✅ Compact & silent – Low vibration and quiet operation, perfect for home aquariums.
✅ Energy efficient – Low power consumption while maintaining strong water circulation.
✅ Easy to maintain – Sponges can be rinsed and reused; filter trays are easy to remove.
✅ Versatile – Suitable for freshwater and marine aquariums.
🐠 Suitable For
Tank Size: Up to 120 litres (approx. 30 gallons)
Fish Types: Small to medium fish, shrimp, snails, and planted tanks
⚠️ Not suitable for very large or heavy-messing fish unless used as an additional filter
⚙️ Specifications
Model: HW-603B
Type: External canister filter
Flow Rate: ~400 L/H
Tank Capacity: Up to 120L
Power Consumption: 6W
Filter Media Included: 3 × coarse sponges, 1 × filter fleece
Upgradable Media: Ceramic rings, bio-balls, activated carbon (optional)
Size: ~16 × 16 × 28 cm
Weight: ~1.5 kg
Hose Length: 2 × 1.5 m (inlet/outlet)
🧱 Filter Media Setup (Recommended Order)
Coarse sponge – Mechanical filtration, traps large particles
Fine sponge – Polishing, traps finer debris
Optional: Ceramic rings / bio-balls – Boosts biological filtration
Filter fleece – Final polishing for crystal-clear water
🔧 How to Install
Place the filter below aquarium level.
Connect inlet and outlet hoses to the aquarium.
Fill filter chamber with aquarium water and plug in.
Adjust flow rate using the control valves as needed.
🧼 Maintenance
Rinse sponges every 2–3 weeks in tank water (not tap water)
Replace media when worn out
Check hoses and valves for clogs regularly
📦 What’s in the Box
SunSun HW-603B canister filter body
3 × coarse sponges
1 × filter fleece
2 × 1.5 m inlet/outlet hoses
User manual
✅ Why Choose SunSun HW-603B?
The SunSun HW-603B is an ideal choice for hobbyists looking for an affordable, compact, and reliable canister filter. Its multi-stage filtration, quiet operation, and easy maintenance ensure healthier fish and cleaner water with minimal effort.
👉 Best for community tanks, shrimp tanks, and planted aquariums up to 120L
