SOBO Silent Aquarium Air Pump, 3.5W 4L/Min Single Outlet Fish Tank Oxygen Pump with Low Noise Design

4 L/MIN SINGLE OUTLET OUTPUT - Provides dependable airflow for fish tanks, air stones, sponge filters, and general aquarium aeration. QUIET TWO-STAGE SILENCER DESIGN - Uses a two-stage silencer chamber and advanced air compression technology to help reduce noise. LOW VIBRATION PERFORMANCE - Triple shock absorbers and special shock pads help minimise vibration during operation. OIL-FREE ECO-FRIENDLY DESIGN - No oil lubrication means cleaner compressed air for aquarium oxygenation use. 3.5W ENERGY-SAVING PERFORMANCE - Efficient low-power operation supports reliable daily use with reduced energy consumption. COMPACT 14 X 9.5 X 7 CM SIZE - Small footprint makes it easy to position near aquariums without taking up much space. LONG-LASTING EVERYDAY USE - Built with durable internal components for steady gas pressure and practical long-term performance.