Aquarium Air Pump 4 Outlets 320GPH 8W – Quiet Fish Tank Air Pump Up to 400 Gallon with Adjustable Air Valve, Includes 4 Check Valves, 4 Air Stones & 4x5ft Tubing, for Freshwater Saltwater Hydroponics Pond

Quiet Aquarium Air Pump – 4 Outlets, 320GPH, Up to 400 Gallons

Keep your fish healthy and your water oxygenated with this powerful yet whisper-quiet aquarium air pump. Featuring 4 independent outlets with an adjustable air valve, this 320GPH 8W pump delivers strong, consistent airflow for tanks up to 400 gallons. Compatible with freshwater and saltwater aquariums, hydroponics systems, and outdoor ponds, it comes complete with all the accessories you need to get started right away — no extra purchases required.

Why Aquarium Hobbyists Love It

• 🐠 4 Independent Outlets – Simultaneously aerate multiple tanks, zones, or accessories from a single pump
• 🔊 Whisper-Quiet Operation – Low-noise design keeps your living space peaceful while maintaining optimal oxygenation
• 💪 Strong 320GPH Airflow – 8W motor delivers up to 1.6L/min airflow for tanks up to 400 gallons
• 🔧 Adjustable Air Valve – Fine-tune airflow to each outlet independently to match your tank’s needs
• 🧰 Complete Kit Included – Comes with 4 check valves, 4 air stones, and 4×5ft air tubing — ready to install
• 🌊 Versatile Use – Works for freshwater, saltwater, reef tanks, hydroponics, and outdoor ponds

Specifications

Frequently Asked Questions

Q: Who is this aquarium air pump best suited for?
A: It’s ideal for aquarium hobbyists with medium to large tanks (up to 400 gallons), hydroponics growers, and pond owners who need reliable, quiet oxygenation with multiple outlet control.

Q: Can I use this for a saltwater or reef tank?
A: Yes. The pump is compatible with both freshwater and saltwater environments, including reef tanks. The high-grade metal air outlets are built to handle saltwater use.

Q: Is this a good gift for a fish or aquarium hobbyist?
A: Absolutely. It’s a practical and complete gift for anyone setting up or upgrading an aquarium, hydroponics system, or backyard pond.

Q: How do I adjust the airflow to each outlet?
A: Each outlet has an individual adjustable valve that lets you increase or decrease airflow independently, so you can customize oxygenation for each tank or zone.

Q: What accessories are included?
A: The kit includes 4 check valves (to prevent backflow), 4 air stones (for fine bubble diffusion), and 4 lengths of 5ft air tubing — everything you need for a complete setup.

Q: Does this have any STEM or educational value?
A: Yes — aquarium air pumps demonstrate fluid dynamics, gas exchange, and biological oxygen demand, making them excellent hands-on tools for biology, ecology, and environmental science education.

Fast US Shipping

Ships from US warehouse, free delivery 2-7 business days.