HEPA filter
Air filters load up with dust and smells. The maker lists how often to change it.
Winix 5530: the hepa filter is part 1712-0123-00. Source: Winix, checked November 6, 2026.
Air filters load up with dust and smells. The maker lists how often to change it.
1HEPA filter1712-0123-00Part numbers come from Winix (source), checked November 6, 2026. Amazon buttons open a search for the part number; we may earn a commission.