hygger Mini Aquarium Air Pump is a perfect tool to improve the health and wellbeing of your fish by delivering a steady stream of fine bubbles to increase dissolved oxygen levels, reducing fish stress and promoting vitality. Your aquatic pets will be more active, colorful, and thriving with this reliable small fish tank bubbler Unlike traditional air pump, this quiet fish tank air pump is driven by a thin piezoelectric ceramic plate, no motor or other mechandism that reduces noise, it is very quiet for fish tank to be placed at bedroom, living room and office Compact design, measures only 2.4 inches diameter, tiny air pump takes up virtually no space. It comes with both a dual-sucker and a clip, so you can easily attach/clip it to the outside of your aquarium glass/acrylic Only 1.5-watt power consumption is very energy saving with flow rate 420 ml/min, it is great for small fish tanks range from 1-15 gallons and hydroponic system, only for used with mini air stone, not strong enough to power sponge filter and protein skimmer Come with all air pump accessories you need: HG-811 Air pump with power adapter, 3.6 ft long air tube, 0.9 inch air stone, double-sided sucker and user manual. Simply unpack, set up, and start aerating your tank in minutes. hygger HG-811 Quiet Air Pump stands out in small fish tank pumps for its light-weight, quiet and energy saving. Build in a thin piezoelectric ceramic plate, unlike traditional air pump, it is effectively reducing the noise when its working. It is less noisy than many other pumps in the market. It is suitable for aquariums with volumes up to 15 gallons. Specifications: Power: 1.5 W, Max Flow Rate: 420 ML/Min, Voltage: 110~120 V 50-60 Hz ,Noise: