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True HEPA replacement filter

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

MA-18 Filter (MA-18R) fits Medify Air MA-18 according to the cited Medify Air source.

Official manufacturer MA-18 Filter MA-18R Check official Medify Air availability Non-affiliate link to the cited official product page.
Marketplace search Check eBay prices for MA-18R Sponsored eBay links. We may earn a commission from qualifying purchases.

Quick fit check

MA-18 Filter fit and replacement facts

Part numberMA-18R
Compatible models1
Filter roleTrue HEPA replacement filter

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

Compatible Medify Air models

Follow a model link for its complete primary, optional, specialty, and alternative filter list.

Model Filter Part number Role Source Marketplace
Medify Air MA-18 MA-18 Filter MA-18R True HEPA replacement filter Medify Air MA-18 Filter Check prices

Buying checklist

What to check in a filter listing

Confirm that the listing names part MA-18R and one of the compatible models: Medify Air MA-18. Similar-looking filters are not proof of fit.

Decide whether you want an OEM or aftermarket filter, then compare the included pieces, product photos, seller details, delivery estimate, and total price.

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.

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 2026-07-22. Recheck the listing and your purifier label before ordering.