Application:<br />Similar with air stone￡? connecting with the oxygen pump￡? it can be used to add oxygen to the aquarium and make bubbles<br />Features:<br />Bubbles come out in a row￡? just like water curtain.<br />If placed in the front of the back glass of the fish tank￡? it can be used as background￡? thus increasing aesthetics of the tank<br />This product is made of very soft rubber which can be bent freely￡? so you can use your imagination to create different shapes<br />Instructions for using:<br />First￡? connect the bubble tube to the check valve air outlet with a 4mm diameter air pipe￡? then connect the bubble tube to the air pump with a 4mm diameter air pipe. Put the air bubble  tube completely under water￡? turn on power￡? then it will immediately release uniform bubbles.<br />Model: R02B<br />Material: rubber hose<br />Color: Black<br />Size: 45 x 1 cm<br />1 x Air tube<br />In blister package<br /><img src="http://img6.eachbuyer.com/x9/p100/by831_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/by831_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/by831_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/by831_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/by832_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/by832_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/by832_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/by833_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/by833_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/by833_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/by833_4.jpg" />