HC405 and Oracle HC452 Diffuser Filter (1 Only)
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HC405 and Oracle HC452 Diffuser Filter Overview
Cleaning and changing filters is the only maintenance required for a CPAP machine.
The filters are located at the back of the machine at the air intake.
If the paper filter has a tab, fold it facing out of the machine for easy removal. The foam filter is inserted into the filter area after the paper filter is installed. The foam filter will catch the larger dirt particles first.
If you are using a two colored filter, the colored side faces out as shown in the image below.
Disposable filters and bacteria filters are not intended to be cleaned but rather changed out, disposing of the used filter. Manufacturers recommend changing the disposable filter once a month, more frequently if used in a very dusty environment.
Disposable fine filters and bacteria filters should be discarded as soon as they become discolored or at least every 30 days.
If you live in a house with pets or smoke, you may need to replace the filters more often.
An example of a reusable foam filter is shown below.
An example of a disposable fine filter is shown below.
Bacteria filters are housed in a plastic frame and are placed at the CPAP air outlet, rather than the air inlet. They may be used with humidifiers, but should be removed and allowed to air dry during the day.
This filter is placed at the air outtake for your machine if you are not using a humidifiers. If you are using a humidifier, it is placed at the air outake for your humidifier. The bacteria filter is placed in the air outtake and the CPAP hose is placed on the other end.
The entire housing is disposable and should be discarded as soon as matter becomes visible. A clogged Bacteria filter may affect the amount of air delivered by the CPAP.
An example of a bacteria filter is shown below. Follow by an image showing how it installed.
A little expensive for such a small product. Should be sold in packets instead of individually.
Need to use two filters to have it work properly
By that I mean you have to put something in the diffuser slot. They are functional. What more can I say?? more...
Works as good as the original....no issues.
Good filters, tho I do use two at a time. Works fine!