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True HEPA replacement filter

Medify Air MA-18 Filter MA-18R replacement filter

MA-18 Filter (part MA-18R) fits Medify Air MA-18, according to the official Medify Air product page.

Official Medify Air fit · checked

Medify Air models that use MA-18 Filter MA-18R

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

Before you order

What to check in a MA-18R listing

  • The listing names part MA-18R. Similar-looking filters are not proof of fit.
  • Your purifier is one of the compatible models: Medify Air MA-18.
  • 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-18 filter after 2,500 hours or about 3 months of use.

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

Frequently asked questions

How often should I replace the Medify Air MA-18 Filter (MA-18R)?

Medify Air recommends replacing the MA-18 filter after 2,500 hours or about 3 months of use.

Which Medify Air models use the MA-18 Filter MA-18R?

According to the official Medify Air product page, MA-18 Filter (MA-18R) fits Medify Air MA-18. Verify the model label on your unit before ordering.

Do aftermarket MA-18R filters work?

Marketplace listings may be from the manufacturer or a third party. Match the exact part number MA-18R, 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-18 Filter, SKU MA-18R-1, as compatible with model MA-18.

Medify Air MA-18 Filter

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