Respironics Millennium Oxygen Concentrator Pre-Inlet Foam Filter replaces the OEM #H618. It measures approximately 2.5 " W diam x 2.5" H, and slides into the blue chamber on the top of the...
This is a Bacteria Filter Straight Barb 1/8" - 1/4" that replaces the Respironics H621 Filter. It will fit the Respironics Millennium M600 and M605 Oxygen Concentrators.
Features
This Extended Life Filter replaces the DeVilbiss MC44D-605. It will fit all of the following DeVilbiss Oxygen Concentrators:
515 Series
505 Series
303 Series
MC44 Series