hygger Ultra Quiet Aquarium Air Pump, 2W Fish Tank Air Pump with Accessories, Powerful Oxygen Aerator Pump with Air Stone,Check Valve, Air Tube, Aquarium Bubbler for 1-20 Gallon Fish Tank, Hydroponic

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• STABLE AIRFLOW OUTPUT: The 2W aquarium bubbler pump model delivers 0.15 MPa of pressure and an airflow of 12 GPH (0.75 L/min), making it perfectly suited for small aquariums under 20 gallons (approx. 75 liters)
• ULTRA-QUIET OPERATION：Engineered with a double‑layered sealed structure and suspended shock‑absorbing silicone legs, this fish tank air pump minimizes noise by preventing shell resonance; The four rubber feet at the base of the aquarium oxygen pump further reduce vibration, making it an ideal choice for environments where quiet operation is essential—such as bedrooms, offices, or living rooms.
• ENERGY‑SAVING：Built with advanced aerodynamic principles and robust materials, the hygeer air pump delivers high‑volume airflow while consuming minimal electricity; Oxygen bubbler pump is perfectly suited to meet the needs of various aquatic environments, including freshwater fish tanks, saltwater coral setups, and hydroponic systems
• TWO INSTALLATION METHODS：To protect the aquarium air stone pump from water damage, simply place it 25 cm (9.8 inches) above the water level OR install the included check valve (both methods shown in the manual); Fish tank aerator pump comes with 1–2 check valves depending on the model, giving you flexible and safe setup options
• COMPLETE ACCESSORY KIT：Each hygger air pump comes with air tubing, air stones, check valves, and a user manual (HG305‑3.5W/4.5W include 2 of each; HG305‑2W includes 1 of each). All critical components are ready for immediate installation. Backed by a responsive after‑sales team