Whisper Cap / Filter Cover for M-Series REMstar Machines - DISCONTINUED


1 Total Reviews

  • For Reference:Discontinued 08.04.2014
  • Brand:Philips Respironics

This Whisper Cap snaps on to the existing Air Intake Port on the back of all M-Series CPAP and BiPAP systems. In tests the Whisper Cap reduced overall sound levels by 3dB, on average. Sound measured 18.2dB at 5cm and 25.3dB at 10cm pressure levels.


  • For Reference:Discontinued 08.04.2014
  • Manufacturer:Philips Respironics
  • Part Numbers:1050957
  • HCPCS Codes:E1399
  • FLEX SPENDING:Can be purchased with FSA & HSA Cards
  • It reduces some noise, but not all.


    It takes a lot of the high-pitched noise out of the unit, but leaves the in-out noises that the c-flex modes make. Installation is counter intuitive, but the instructions make it clear. The cap has to be removed to change or clean filters.
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