The light-weight and versatile Nicecare Pure White or Grey Thin 6 Foot Performance CPAP/BiPAP Tubes (15mm) is made to work with CPAP as well as BiLevel BIPAP equipment. This is an extremely versatile tube that is approximately 20% lighter than a typical tubing decreasing drag as well as disruption of the mask seal. The cuff style provides itself to easy on but off of the tube. The common 22 mm dimension cuff fits on all mask links. Complying with industry requirements, the tube is 6 foot in length and can be alternative to a 22 mm tube if the machine has a 15 mm setup option.