Oxygen Humidifier Bubbler Bottle - Humidity for Oxygen Therapy<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Main Clinic Supply exclusive! </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Humidifier bottle designed to work with oxygen concentrators to decrease drying out of the upper respiratory tract， during long term oxygen use. </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Bottle is designed with large threads and finger grips， making lid easy to screw on and off. </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Clearly marked 'RE-FILL' lines is easy to see. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31VZX74TcJL.jpg" noproxy>