standard plastic tubing for philips respironics dreamstation-15mm-pr15 , 6ft respironics the light-weight and versatile respironics pure white thin 6 foot performance cpap/bipap tubes (15mm) is made to work with cpap as well as bilevel equipments that have a setup alternative for a 15 mm tubing. *utilize a lightweight mask? make use of a lightweight pipe! this is an extremely versatile tubes 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 alternatived to a 22 mm tube if the machine has a 15 mm setup option. *the white hose has a crisp, tidy look.