Description:--It adopts advanced air compression system and shock absorption system, multi-stage silencer design, and extremely low noise.--The special synthetic rubber component is used, and the pressure and gas volume are constant.--The structure is reasonable and compact, and the service life is long.--The product is linked to one or more bubble stones through the outlet hose and distributor and is ideal for all aquariums.Specifications:--Type: Oxygen Air Pump--Voltage: 220-240V--Power: 2W--Air Pressure: 15kpa--Flow: 1.2L/min--Decibel: <30dB--Plug: EU / US--Material: Plastic--Power Cable Length: 45cm--Rubber Hose Length: 2mPackage Included:--1*Oxygen Air PumpNotes:--Due to the difference between different monitors, the picture may not reflect the actual color of the product.--Please leaving a message before you give the bad feedback, if the products have some problems.--Please allow 1-2cm error due to manual measurement.--Thanks for your understanding.