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
- FSA Eligible:Can be purchased with FSA 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.
Written by Matt A., -2012-10-17