["Description:\r\n\r\nFeatures:\r\nbrand new and high quality.\r\nIt is the best partner for pump.\r\nInstantly create a great deal of tiny bubbles that your fish will love.\r\nThe tube can be cut with a for razor blade to be shorten.\r\nAdditional bubble walls can be jointed with the enclosed connector.\r\nRubber suction cup can produce enormous power to stick to glass surface firmly.\r\nNeed to use a pin or needle to puncture for as many small holes as needed before using.\r\n6 sizes for choice (total length): approx. 7\"(17.8cm), 10\"(25.4cm), 14\"(35.6cm), 18\"(45.7cm), 23\"(58.4cm), 28\"(71.1cm).\r\n\r\nNote: \r\nThis item is air tube only. \r\nIt needs to be connected with air pump to make bubble. \r\nAir pump should be ordered separately. \r\n\r\nSpecifications:\r\nItem Name: Fish for Tank Aquarium Air Stone Bubble Wall Tube\r\nMaterial: Plastic and Rubber\r\nColor: Pink/Orange/Yellow/Fluorescent Green (Optional)\r\nTotal length: Approx. 7\" / 10\" / 14\" / 18\" / 23\" /28\" (Optional)\r\nTube Diameter: Approx. 1cm/0.39\"\r\nConnector diameter: \r\n Inner diameter: 4mm/0.16\" (Approx.)\r\n Outerdiameter: 6mm/0.24\" (Approx.)\r\nQuantity: 1 PC (other accessories demo in the picture is not included)\r\n\r\nNote: \r\n1.Transition: 1cm=10mm=0.39inch\r\n2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\r\n3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n4.No retail package\r\n\r\nPackage includes:\r\n1 X Fish for Tank Aquarium Air Stone Bubble Wall Tube(No retail package)"]