Which hepa filter does the Winix QS take?

Winix QS air purifier hepa filter

Winix QS: the hepa filter is part 112180. Source: Winix, checked November 6, 2026.

Air filters load up with dust and smells. The maker lists how often to change it.

1HEPA filter112180

Part numbers come from Winix (source), checked November 6, 2026. Amazon buttons open a search for the part number; we may earn a commission.

On a label on the bottom or the back of the purifier.