Top Review

    "Great product - it really lowered the noise level from my M-series!"

    July 26, 2008

    Product Overview

    Manufactured by Philips Respironics.

    Product Features

    The Respironics M Series line of CPAP, APAP, and BIPAP machines now have a Whisper Cap that lowers the overall volume of sound coming from the machine. The device fits onto your existing Air Intake Port and over the filters.

    Respironics internal testing produces sound levels at a 3 dB decrease.

    At 5cm the CPAP machine measures 18.2dB
    At 10cm the CPAP machine measures 25.3dB

    Return On Warranty Issues Only

    Specifications always offers these services:

    • 8 am to 8 pm CST Toll Free Phone and Email Support
    • 24 hour access to our Support Forum
    • Learning Center for information on sleep apnea and cpap equipment
    • Consumer Purchasing Trends Reports
    • Warranty Services for all items purchased through
    • Insurance Compliant Invoices
    • Free Prescription Request System

    Manufacturer Note

    • Philips Respironics products are for sale only to patients within the U.S. and not to other third parties or businesses.
    • All services provided by, including advertisement, ordering, sale, delivery, instruction, and setup of the products are performed solely by and independently of the manufacturer.

    Important Tips

    If a Whisper Cap is used on a M Series machine without a heated humidifier, it will not fit if used together with a outlet bacteria filter. If you wish to use both a Whisper Cap and a outlet bacteria filter without a heated humidifier, then you should add a Hose Quick Connect or a M Series Tubing Swivel between the cpap machine and the outlet bacteria filter.

    As always, just call if you have any questions.

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