Use this page to see which air purifier models take this cartridge, check suggested change timing when we have it, and open retailer links when you’re ready to buy.

Brand

Coway

This filter number is linked to the purifier models below in our reference. If yours is listed, open buying options when you’re ready—always match the number on your current cartridge.

COWAY-3712487

Name: Airmega 250 / 250S replacement filter set
Brand: Coway

Airmega 250 / 250S replacement filter set

Replace about every 12 months

Fit: numbers line up well on fileOriginal part

COWAY-3712487 matches models linked on this page. A BuckParts Verified Link appears only when our checks clear for this part number—not every filter has one.

Why this fits

29 compatible models on file for this part number
Notes available
When a BuckParts Verified Link appears below, we checked that retailer product page against this part number. Compare it with your old filter before ordering.

Model lists here reflect what we have on file for this part number—not every unit ever sold.

BuckParts Verified Links

A place to buy that BuckParts has checked against the part, listing, and evidence we trust. Not every filter page has one—we only show a link when our checks clear for this part number.

OEM / manufacturer catalog (keyword lookup)

Shown as a BuckParts Verified Link after we checked the product page against this filter number (2026-06-19).

Notes & next steps

Search again if you need a different model or part number.

Max2-style set for 250 series

COWAY-3712487

Fits these models (29)

Notes & next steps