["brand new and high quality\r\nMaterial: Rubber Pipe\r\nColor: Black\r\nFeature:\r\nThe AIR CURTAIN HOSES is a porous rubber hose with good softness, and any shapes required can be realized.\r\nIt's bubble disperse evenly and oxygen supply is excellent.\r\nExcellent for decoration and supply in all kins of aquarium\r\nSuitable for Aquariums and Fish Tanks\r\nfor Ideal for fresh / tropical and salt water aquariums as well as reptile habitats.\r\nTips and steps:\r\n1. Firstly connect rubber hose to the check for valve outlet with ∅4mm air tube, then connect it to the air pump with ∅4mm air\r\ntube and steep it into the water.\r\nOnce power on, equal bubble can be dispersed immediately.\r\n2. After being used for a long for time, the holes on the surface might be locked. Immerse it in hot water water for about 8 minutes, \r\nthen use brush or cloth to rub the surface slightly.\r\nLength: 105cm\r\nConnector Diameter: 4mm\r\nNo retail package\r\n\r\nNote: Maybe you need Piercing hole with needle in the tube by yourself\r\n\r\nQuantity: 1Pc\r\nNote: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!!\r\nPackage includes:\r\n1Pc x Air Bubble Aerator Aquarium Fish for Tank Pump Hydroponic Diffuser Oxygen Tube New"]