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    ResMed Whisper Cap For S8™ and S8™ II Series Machines

    Top Review

    "What a difference! Easy to install, just snaps in place! Now my C-Pap is much more quiet."

    July 8, 2011

    Product Overview

    Manufactured by ResMed.

    Product Features

    The ResMed S8 and S8 II 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 attaches onto your existing S8 Air Outlet port and housing.

    The S8 Whisper Cap cannot be used in conjunction with the Humidiare line of humidifiers. H3i and H4i humidifiers must attach to the front face of the S8 CPAP, but will not attach if the Whisper Cap is installed.

    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

    • Some product images supplied by ResMed © ResMed 2010 Used with Permission.
    • ResMed 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 you would like to use the whisper cap along with a heated humidifier, we suggest a stand-alone unit such as the HC150 Heated Humidifier with hose.

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