The linked source lists this model. Checked 2026-09-18. Availability and price may change.
Buying guidance for 5500
5500 or 5500-2? Check the suffix
The 5500 uses Filter A (115115). The 5500-2 uses Filter H (116130). Keep the full model number when searching: dropping “-2” changes the recommended part.
What does one Filter A set cover?
The manufacturer set contains one HEPA filter and four carbon filters. Those four carbon filters are replacements over time, not four complete HEPA sets.
Source references (checked 2026-09-20 unless dated separately): Winix Filter A · Winix Filter H. Package calculations are based on the listed filter counts.