The Qtube In-line CPAP Muffler reduces acoustic noise transmitted to the patient mask through the CPAP tube</br>Includes QTube?? 8"Flex Hose?? and Replacement kit</br></br>Product Description</br></br>The Qtube In-line CPAP Muffler reduces acoustic noise transmitted to the patient mask through the CPAP tube. The 8 inch flex hose (included) connects the Qtube directly to your CPAP machine and the standard tube to the mask. In the box: -Qtube -8?? Flex Hose -Replacement Kit (Replacement Foam?? O Ring?? Plastic Wrap)</br><br/>http://www.amazon.com/gp/product/B01FRIOEUQQ