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Thread: Best CPAP Machine for Travel
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Old Sep 28, 2013, 12:47 pm
  #19  
925
 
Join Date: Jul 2003
Location: Seattle, WA
Programs: Marriott Titanium
Posts: 2,861
If you use the h6b every night, all night, how often do you have to change the filter? Is it as gross as they say?
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