Product Description

Maintain crystal-clear and healthy aquarium water with the BOYU EFU-20 External Canister Filter — a high-performance filtration system designed for aquariums from 200L to 400L.

Equipped with a multi-layer filtration system and a built-in 5W UV sterilizer, this filter effectively removes debris, controls algae, and reduces harmful bacteria. Its quiet, energy-efficient motor ensures powerful performance without disturbing your environment.

Designed for convenience, the EFU-20 features quick-release valves for easy maintenance, secure pressure locks, and anti-vibration rubber feet for stable, noise-free operation.

✨ Key Features

• Multi-Layer Filtration – Ensures clean and clear water
• Built-in UV Sterilizer (5W) – Helps control algae and bacteria
• High Flow Rate (400L/h) – Efficient water circulation
• Quiet & Energy Efficient – Low noise operation
• Quick-Release Valves – Easy maintenance and cleaning
• Secure Lock System – Leak-proof with waterproof sealing
• Anti-Vibration Feet – Reduces noise and movement

🐠 Perfect For

• Aquariums between 200L – 400L
• Freshwater and marine tanks
• Maintaining water clarity and quality
• Medium to large aquarium setups

💡 Why Aquarists Love It

✔ Powerful filtration with UV sterilization
✔ Keeps water crystal clear
✔ Quiet and energy-saving
✔ Easy to maintain and clean
✔ Reliable and durable design

📦 Product Details

• Brand: BOYU
• Model: EFU-20
• Flow Rate: 400 L/h
• Power: 20W
• UV Light: 5W
• Recommended Tank Size: 200–400 L
• Filter Size: 22.3 × 22.3 × 40.4 cm
• Type: External Canister Filter

📊 Available Models

• EFU-10 – 300 L/h (100–300L)
• EFU-15 – 350 L/h (150–350L)
• EFU-20 – 400 L/h (200–400L)
• EFU-25 – 750 L/h (250–450L)
• EFU-35 – 950 L/h (350–550L)
• EFU-45 – 1100 L/h (450–650L)

📏 How to Calculate Tank Volume

Length × Width × Water Height (cm) ÷ 1,000 = Liters

Example:
100 × 40 × 50 ÷ 1,000 = 200L