Buy Resmed S9 — Ultimate

: Designed for patients who require bilevel therapy (two different pressures for inhalation and exhalation). : An entry-level model with basic features. 2. Buying New vs. Refurbished

: A premium self-adjusting machine that changes pressure breath-by-breath based on your needs. buy resmed s9

Because the S9 is an older series, finding it "brand new" from major retailers is difficult, as it has been succeeded by the and AirSense 11 Go to product viewer dialog for this item. . Find support for S9 VPAP™ S : Designed for patients who require bilevel therapy

Before purchasing, it is important to know which specific S9 model fits your prescription: S9 AutoSet Go to product viewer dialog for this item. Buying New vs

: A standard CPAP machine that provides fixed pressure but includes advanced data tracking. S9 VPAP (S/ST/Auto) Go to product viewer dialog for this item.

The ResMed S9: A Guide to Purchasing and Replacement The ResMed S9 series was a flagship line of CPAP (Continuous Positive Airway Pressure) and bilevel machines released between . While it remains a durable and highly-regarded platform for treating obstructive sleep apnea (OSA), its age means that new units are increasingly rare, and many users are now transitioning to newer models or maintaining existing ones through replacement parts. 1. Understanding the S9 Models