Description
Blue Pet BL-420F Internal Liquid Filter
The Blue Pet BL-420F Internal Liquid Filter is a powerful and efficient aquarium filter designed for medium-sized tanks. With its strong water flow and dual-stage filtration, it effectively removes debris, supports beneficial bacteria, and ensures crystal-clear water. Its compact build, energy-efficient motor, and quiet performance make it a great choice for aquarists who want reliable daily filtration.
🌊 Key Features
✅ Dual Filtration System – Provides mechanical (debris removal) and biological (bacteria growth) filtration.
✅ High Flow Rate – Ensures proper circulation and aeration in medium aquariums.
✅ Fully Submersible Design – Easy to install with secure suction cups.
✅ Adjustable Water Outlet – Direct the water flow where you need it most.
✅ Silent & Durable – Low-noise motor with long-lasting performance.
🐠 Suitable For
Tank Size: Medium aquariums (up to 120 litres approx.)
Fish Types: Goldfish, mollies, gouramis, tetras, angelfish, cichlids, and other community fish.
Aquarium Types: Freshwater, tropical, planted, and shrimp tanks.
⚙️ Specifications
Model: Blue Pet BL-420F
Type: Internal Liquid Filter
Power Consumption: 6W (approx.)
Flow Rate: 500 L/H (approx.)
Voltage: AC 220–240V, 50Hz
Installation: Fully submersible with suction cups
Color: Black / Green (may vary by batch)
🔧 How to Use
Attach the filter inside the aquarium using the provided suction cups.
Ensure the unit is fully submerged before switching on.
Connect to power and adjust the flow as needed.
Keep running continuously for best results.
🧼 Maintenance
Rinse filter sponge/media in aquarium water (not tap water) every 2–3 weeks.
Avoid chemicals/detergents to preserve beneficial bacteria.
Clean impeller and housing occasionally to maintain smooth operation.
Replace sponge/media when worn or heavily clogged.
📦 What’s in the Box
1 × Blue Pet BL-420F Internal Liquid Filter
1 × User Manual
✅ Why Choose Blue Pet BL-420F?
The Blue Pet BL-420F is a reliable, efficient, and easy-to-maintain filter for medium-sized aquariums. It combines strong filtration power with quiet operation, making it perfect for everyday aquarium care.
👉 Ideal for aquarists who want stronger water circulation and clear water in mid-sized tanks.



