Description
Sunsun Canister Filter HW-303A
The Sunsun HW-303A Canister Filter is a robust and efficient external filter designed for aquariums up to 100–120 litres. It offers multi-stage filtration, quiet operation, and easy maintenance, making it perfect for small to medium community tanks and planted aquariums.
🌊 Key Features
✅ Multi-stage filtration – Includes mechanical, biological, and chemical media; can be upgraded with ceramic rings, bio-balls, activated carbon, or filter pads for superior water quality.
✅ Adjustable flow rate – Gentle flow for delicate fish and shrimp, higher flow for larger community setups.
✅ Rain bar / spray bar outlet – Distributes water evenly and improves oxygenation.
✅ 360° vortex surface skimmer – Removes debris, oils, and surface film effectively.
✅ Compact & quiet – Low vibration, noise-free operation; fits neatly beside or below the aquarium.
✅ User-friendly maintenance – Quick-release media trays and easy hose connections for effortless cleaning.
🐠 Suitable For
Tank Size: Up to 100–120 litres (approx. 3–4 ft aquariums)
Fish Types: Tetras, Guppies, Mollies, Platies, Swordtails, Bettas, Dwarf Cichlids, Shrimp & Snails
⚠️ Not suitable for very large or messy fish like Oscars or Arowana unless used as an additional filter
⚙️ Specifications
Model: HW-303A
Type: External canister filter
Flow Rate: ~500 L/H
Tank Capacity: Up to 100–120 L
Power Consumption: 7–8 W (energy-efficient)
Filter Media Included: Coarse sponge, fine sponge, activated carbon
Upgradable Media: Ceramic rings, bio-balls, filter pads
Dimensions: 26 × 17 × 17 cm (approx.)
Weight: 1.2 kg
🧱 Filter Media Setup (Recommended Order)
Coarse sponge – Mechanical debris removal
Fine sponge – Polishing for fine particles
Ceramic rings / bio-balls – Biological filtration
Activated carbon (optional) – Chemical filtration for odor and toxins
🔧 How to Install
Place the HW-303A beside or below the tank.
Connect inlet and outlet hoses securely.
Fill the filter chamber with tank water to prime.
Plug in and switch ON.
Adjust flow rate based on your aquarium setup.
🧼 Maintenance
Rinse sponges every 2–3 weeks using tank water.
Replace filter pads or carbon when clogged or spent.
Check hoses, spray bars, and impeller for debris.
Perform full media cleaning periodically to maintain optimal flow.
📦 What’s in the Box
Sunsun HW-303A filter body
Coarse & fine sponges
Activated carbon bag
Inlet & outlet hoses
Spray bar / rain bar
User manual
✅ Why Choose Sunsun HW-303A?
The Sunsun HW-303A is ideal for hobbyists who want reliable, quiet, and efficient filtration for their small to medium aquariums. Its multi-stage filtration, user-friendly design, and consistent performance make it perfect for community tanks, planted aquariums, and shrimp tanks.
👉 Best for aquariums up to 100–120L with community fish or delicate species.
