Fits checked Oct 1, 2026 · How we check
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Medify · air purifier

Medify MA-18 replacement filter

Use part MA-18R-1. All filters should be replaced after 2,500 hours or about three months of use..

The filter that fits

Maker lists this model

Medify MA-18 Filter

MA-18 Filter

Part number
MA-18R-1
How many
1 per unitpacks: MA-18R-2 (2)
How often
All filters should be replaced after 2,500 hours or about three months of use.

Medify does not state how many filters the MA-18 holds; check the filter slot before ordering more than one.

Buy MA-18 Filter on AmazonManufacturer page

Opens an Amazon search for Medify MA-18 Filter MA-18R-1. Check the listing says MA-18R-1.

See the sources

Sources

High confidence: the manufacturer names this exact model on a live page. Each line is the page we read and the day we read it.

  • Which filter fits medifyair.com Maker's own page checked Oct 1, 2026
    MA-18 Filter ... Replacement filter for MA-18 Air purifier.
  • How often medifyair.com Maker's own page checked Oct 1, 2026
    All filters should be replaced after 2,500 hours or about three months of use.
Show all 3 sources

Which filter fits

  1. medifyair.com Maker's own page checked Oct 1, 2026
    MA-18 Filter ... Replacement filter for MA-18 Air purifier.
  2. medifyair.com Maker's own page checked Oct 1, 2026
    MA-18 Filter variant SKUs: single MA-18R-1; 2-pack MA-18R-2

How often

  1. medifyair.com Maker's own page checked Oct 1, 2026
    All filters should be replaced after 2,500 hours or about three months of use.