Respironics Millennium Inlet Filter - H620 - Without Blue Silencer
Respironics Millennium Inlet Filter can be used to replace the original gray Long Life Filter inside the Rear Access Door on all Millennium Oxygen Concentrators. It includes a silencer to improve noise reduction. Should always be used with a Pre-Inlet Filter to improve filtration levels. It is not designed to be cleaned and should be replaced as necessary, on average once a year.
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