the product name is Aquarium Air Pumps

DescriptionHpumps 4104 best selling item with its excellent features of noiseless effect and top low vibration,suitable for the 80L(max) fish tankFeaturesNon-magnet driven, perfect no noisy effect <35dB, ideal for placing in the bedroom and living roomLow power consumption, stable performanceSophisticated structure design,attractive and fashionProduct Info.Model                4104                    4104AVol/Freq.            220V,50HZ               110V,60HZDimensionsDia        52.5*24mmDia            52.5*24mmWeight               35g                     35gNoise                33db                    33dbPower                1.8 watt                1.5 wattPressure             12kpa +/-10%            10kpa +/-10%Flow Rate            300mm +/-10%            240mm +/-10%Water Depth          600mm                   500mmTank Volume          < 80L                   < 80LAttachments 1pc of Air Tube Inner Dia. 4mm                 Outer Dia. 6mm                 Length 1000mm 1pc of Air Stone Dia.25mm 1 Power Adapter         Based on actual power supply and electric plug type 1 Suction Cup:         Integrated url:http://www.heyipump.net