Guaranteed to fit ResMed S9
This is not the Climateline (heated) tubing that also works with the S9 .
This is not OEM but is manufactured by ResMed, the packaging will not say ResMed.
For the ResMed S9 CPAP A total of 2 (2 package of 1) piece of tubing new and unopened.
Package Includes: 2 pcs x CPAP Tubing Hose.
Each tube is 6 feet in length and 15 mm diameter,(Sub caliber 22 mm).