Zhiyang ZY-728 Soundless Aquarium Air Pump is a soundless, energy-efficient aeration pump designed for smooth and stable oxygen supply. Featuring a double nozzle design and low-vibration technology, it provides strong and quiet airflow for sponge filters, air stones, and decorative bubble features. Ideal for small to medium freshwater and marine aquariums.

Technical Specifications

• Model: Zhiyang ZY-728
• Type: Silent Aquarium Air Pump
• Power: 3.5W
• Air Output: 2 × ~3.4 L/min
• Nozzles / Outlets: Double Nozzle (Dual Outlet)
• Voltage: AC 220–240V, 50/60Hz
• Noise Level: Ultra-low / Soundless
• Material: ABS Plastic Body + Copper Motor
• Usage: For small to medium aquariums
• Suitable For: Sponge filters, air stones, bubble ornaments