Description
Sobo SB-4000 Air Pump
The Sobo SB-4000 is a powerful dual-outlet aquarium air pump designed for large aquariums and multi-tank setups. It delivers high air output for strong oxygenation, making it suitable for running multiple sponge filters, air stones, bubble walls, or undergravel filters simultaneously. With its low-noise design and energy-efficient motor, this pump ensures a quiet and reliable performance, keeping aquarium water well-oxygenated and fish healthy.
🌊 Key Features
✅ Dual Outlets – Runs two air-driven devices at once.
✅ High Air Output – Stronger performance for bigger aquariums.
✅ Low Noise Operation – Special sound-absorbing design.
✅ Energy Efficient – Strong airflow with low power consumption.
✅ Durable Build – Long-lasting, continuous operation.
🐠 Suitable For
Tank Size: Large aquariums (up to 600 litres+).
Fish Types: Community fish, goldfish, cichlids, bettas, shrimp, and marine species.
Aquarium Types: Freshwater, planted, breeding tanks, and marine aquariums.
⚙️ Specifications
Model: Sobo SB-4000
Type: Aquarium Air Pump
Air Outlets: 2
Air Output: 2×3 L/min
Power Consumption: 2.8W
Voltage: 220–240V, 50Hz
Noise Level: Low-noise operation
Color: White / Blue (may vary by batch)
🔧 How to Use
Place the pump above water level (or install a check valve if placed below).
Connect airline tubing to both outlets.
Attach tubing to sponge filters, air stones, or bubble walls.
Plug in and adjust for desired airflow.
🧼 Maintenance
Clean air stones or diffusers regularly.
Replace worn-out airline tubing if air flow weakens.
Keep pump in a dry, splash-free area.
📦 What’s in the Box
1 × Sobo SB-4000 Air Pump
1 × User Manual
✅ Why Choose Sobo SB-4000?
The Sobo SB-4000 Air Pump is ideal for aquarists with large tanks or multi-tank systems who require strong and reliable aeration. Its powerful output, dual outlets, and low-noise performance make it a perfect choice for maintaining a healthy aquatic environment.
👉 Best for hobbyists who need extra-strong, long-lasting aeration for big aquariums.




