Coway Replacement Filters for Airmega 150, Mighty, and Every Airmega Model

Fresh air starts with a clean filter set. Fine Filters Store carries the Coway air filter you need, matched to your Airmega model so you order the right one the first time. Every set pairs a washable pre-filter with True HEPA and odor-absorbing media. Free US shipping, quick dispatch, and a support team ready to confirm fitment before you check out.

A Coway air purifier runs on a layered filter set rather than a single cartridge, and the correct one depends on your Airmega model. The Coway Airmega 150 True HEPA washable filter setup shows the pattern well, with a washable pre-filter out front, a deodorization layer for odors, and a replaceable Green True HEPA filter behind it. The popular Airmega Mighty, the 250, the 300, and the 400 all follow the same three-stage idea with their own model-sized filters.

Shoppers often search these as Conway filters, but the brand is Coway, and every filter below is matched to a real Airmega model. Check the model name on the back of your unit, then find it in the guide. You can also browse the full air purifier filter range if you own other brands too.

Match the Coway Filter to Your Airmega Model

Find your Airmega model below and pick the matched filter set.

Not sure which Airmega you own? Ask our team and we will match your model to the right Coway filter before you order.

How the Coway Filter System Works

Coway air purifiers pull air through three stages in order. The washable pre-filter catches hair, lint, and large dust so the finer layers last longer. Next, the deodorization layer uses activated carbon to absorb smoke, cooking smells, and pet odors. Last, the Green True HEPA filter captures 99.97% of airborne particles as small as 0.3 microns, which covers pollen, pet dander, dust mites, and mold spores. That order is why a clean Coway filter set clears a stuffy or smoky room faster than a loaded one.

The Washable Pre-Filter on the Airmega 150 and Beyond

One thing that sets Coway apart is the washable pre-filter, and the Airmega 150 shows it best. That outer layer is permanent, so you rinse it under water and let it dry rather than buying a new one every couple of months. Keep in mind the True HEPA layer is not washable. Water flattens the pleats and drops its capture rate, so you rinse the pre-filter but replace the HEPA on schedule. Cleaning the pre-filter every two to four weeks keeps airflow strong and stretches the life of the filters behind it.

What the Coway Odor Filter Handles

The deodorization layer is the Coway odor filter people ask about, and it does the work your nose notices first. Packed with activated carbon, it pulls out kitchen smells, cigarette and wildfire smoke, litter box odor, and the household VOCs that hang in the air. This layer loads faster than the HEPA filter because odor molecules saturate carbon quickly, so it needs changing about twice as often. If a room smells stale again while particles still seem controlled, the carbon layer is usually the part asking for a swap.

How Often to Replace Each Coway Filter

Coway filters run on staggered schedules. Rinse the washable pre-filter every two to four weeks. Replace the deodorization carbon filter about every six months, since odors saturate it first. Change the Green True HEPA filter roughly once a year. Smart Airmega models track runtime and light a filter indicator when a change is due. Homes with pets, smokers, or heavy dust reach these points sooner, so treat the intervals as a guide and change earlier when the air tells you.

How to Replace a Coway Filter

Swapping filters takes only a minute. Power the unit off, open the front or rear cover, and lift out the filter tray. Rinse and dry the pre-filter, then slide in the new deodorization and True HEPA filters with the tabs facing out. Peel any plastic wrap off the new HEPA layer before you seat it, close the cover, and reset the filter indicator on smart models so it tracks the fresh set. Run the unit on a higher speed for a few minutes to clear the room.

Why Buy Coway Filters at Fine Filters Store

Fine Filters Store keeps fitment clear and shipping fast. You get Coway filter sets matched to real Airmega models, plain guidance on the washable pre-filter and odor layer, and a support line staffed by people who know these units. Read our air filter care guides for tips that protect filter life, order the set your model takes, and set a reminder for the next change so your air stays clean season after season.

Coway Filter Questions Shoppers Ask Most

Is the Coway Airmega 150 True HEPA filter washable?

The Airmega 150 pre-filter is washable, so you rinse and reuse it. The Green True HEPA filter is not washable and needs replacing about once a year. Washing the HEPA layer damages it and lowers how well it captures fine particles.

How often should I replace my Coway filter?

Rinse the washable pre-filter every two to four weeks, replace the odor carbon filter about every six months, and change the True HEPA filter roughly once a year. Homes with pets or smoke reach these points sooner.

What does the Coway odor filter remove?

The deodorization carbon layer absorbs cooking smells, smoke, pet and litter odors, and household VOCs. It saturates faster than the HEPA filter, so it needs replacing about twice as often to keep a room smelling fresh.

How do I know which Coway air filter fits my model?

Check the model name printed on the back of your Airmega unit, then match it to the filter set in the guide above. The Airmega 150, Mighty, 250, 300, and 400 each take their own model-sized filter set.

Do compatible Coway filters work as well as originals?

Quality compatible filters match performance when they use the same True HEPA and carbon media, hold a 0.3 micron rating, and fit your Airmega correctly. Check the capture rate and the three-stage build before you buy.