Small Intake Filters for Rhythm TOC3 Portable Oxygen Concentrators Multibuy:25 Filter Pack The AirFit X30i features an

The AirFit X30i features an UltraCompact oral cushion that works in tandem with X30i nasal pillows

Nova Micro's soft silicone pillows inflate gently to conform to your nasal contours for unmatched comfort

The simple

The OptiChamber Diamond valved holding chamber (VHC) is smaller than most conventional VHC's and incorporates a stepped mouthpiece

irritation-free seal

Small Intake Filters for Rhythm TOC3 Portable Oxygen Concentrators Multibuy:25 Filter Pack The AirFit X30i features anThis Small Intake Filter, from Rhythm Healthcare, is designed for use with all TOC3 Portable Oxygen Concentrators. The filter, along with the Large Intake Filter available elsewhere on this site, helps to block dirt and dust particles from entering your concentrator's air intake.