Question 1

In which country were these made? usa? china? other?

Accepted Answer

This is a CHINESE company with an office entity in California.  You cannot trust products from china when it comes to respiratory supplies.  Their product is not reviewed by the FDA or endorsed by any CPAP manufacturer.

Question 2

Are these certified true hepa?

Accepted Answer

No, they are a foam filter.  Not as good as those with multiple layers of material.

Question 3

How often should I change these filters with the new ones? Is there any lifetime standard for each filter?

Accepted Answer

It depends how dusty your room is -- I change mine every 30 days.  If I'm traveling somewhere where the dust or allergen level is higher I will change it when I get back home. If I'm sleeping with the windows open, maybe every 2 weeks.  It's easy to open the door and look at the filter - if it's still white leave it, if it looks gray change it! (They say the 70 pack is a 3 year supply, which would be every 2 weeks)

Question 4

These filters are very thick. Since harder for air to flow does it not make cpap machine to work harder and cause damage to machine?

Accepted Answer

Dear customer,
The size and thickness of our products are the same as the original version. The difference from the original version is that our filters is not a silent cotton, so the sound will be louder than the original one, but the effect is the same, and there is no risk of damaging the machine.
Best wishes.
Molly

70 Packs CPAP Filters - Three Year Supply Filters for AirSense 10, for AirCurve 10- S9, for AirStart Series - Medihealer Replacement Filters Supplies

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