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True HEPA replacement filter set

Medify Air MA-45 Filter MA-45R replacement filter

MA-45 Filter (part MA-45R) fits Medify Air MA-45, according to the official Medify Air product page.

Official Medify Air fit · checked

Medify Air models that use MA-45 Filter MA-45R

This filter is listed for one model. Open a model to see its complete list of primary, optional, and specialty filters.

Official package contents

What's in the box

From the linked official Medify Air product page. Marketplace packs can differ, so compare before you buy.

MA-45 Filter MA-45R

Before you order

What to check in a MA-45R listing

  • The listing names part MA-45R. Similar-looking filters are not proof of fit.
  • Your purifier is one of the compatible models: Medify Air MA-45.
  • The pack size and pieces included match what you need. Genuine and third-party filters can differ.
  • The total price with shipping, seller feedback, and delivery estimate work for you.

Care guidance

Replacement schedule

Medify Air recommends replacing the MA-45 filter set after 3,000 hours or about 4 months of use.

Usage conditions can affect service life. Follow the cited manufacturer guidance for this part.

Free calendar reminder

Never forget a filter change

Enter the date you installed the filter and we'll make a repeating calendar reminder based on the official replacement schedule.

MA-45 Filter filter set MA-45R

The calendar reminder starts 4 months after this date and repeats on that schedule.

Your date is processed only in this browser. The .ics calendar file is generated locally on your device and is not uploaded to this site.

Frequently asked questions

How often should I replace the Medify Air MA-45 Filter (MA-45R)?

Medify Air recommends replacing the MA-45 filter set after 3,000 hours or about 4 months of use.

Which Medify Air models use the MA-45 Filter MA-45R?

According to the official Medify Air product page, MA-45 Filter (MA-45R) fits Medify Air MA-45. Verify the model label on your unit before ordering.

Do aftermarket MA-45R filters work?

Marketplace listings may be from the manufacturer or a third party. Match the exact part number MA-45R, review the listing details, and verify the model label on your unit before buying.

Official compatibility record

Manufacturer source

Official Medify Air product page identifies MA-45 Filter, SKU MA-45R-1, as compatible with model MA-45.

Medify Air MA-45 Filter

Source compatibility checked 2026-08-29. Recheck the listing and your purifier label before ordering.