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1 inches deep x 2 inches high
and accessories
and fit the mask to your face
the listed accessories below comprise the Inogen One System
Caire Freestyle Comfort Gross Particle Filter (Right) gen Conserving Regulator 1 inches deep x 2External Gross Particle Filter for right side of FreeStyle Comfort Portable Oxygen Concentrator Unit. Air enters the FreeStyle Comfort through air intake filters located on the front, bottom of the oxygen concentrator. These filters prevent dust and other large particles in the air from entering the unit. At least once per week, the air intake filters should be cleaned. Your oxygen provider may advise you to clean them more frequently, depending upon