Winix 5500 vs. 5500-2: which replacement filter?
The Winix 5500 uses Filter A (115115). The Winix 5500-2 uses Filter H (116130). Keep the suffix when searching for replacements: Winix lists these purifiers under different filter sets.
| Detail | Winix 5500 | Winix 5500-2 |
|---|---|---|
| Filter family | Filter A | Filter H |
| Part number | 115115 | 116130 |
| Carbon component | Four replacement carbon filters | AOC carbon filter |
| HEPA replacement guidance | Every 12 months | Every 12 months |
| Carbon replacement guidance | Every 3 months | Every 12 months |
| Package and buying details | 5500 | 5500-2 |
Can I treat the two filter sets as interchangeable?
The manufacturer’s compatibility lists give different matches for these models. Use the part listed for your full model number; this guide does not establish that a different set will fit or perform correctly.
What if my label says 5300-2?
The 5300-2 uses Filter A (115115). The “-2” suffix by itself does not identify Filter H.
Before ordering
- Read the full model number on your purifier’s label.
- Match the filter family and part number in the table.
- Check the selected seller variant and count the HEPA and carbon components separately.
Package contents can differ between manufacturer sets and third-party listings. Use the model pages above for the specific linked offers.
Sources
Winix Filter A compatibility and replacement guidance
Winix Filter H compatibility and replacement guidance
Sources checked September 21, 2026. This comparison concerns replacement filters, not a hands-on comparison of the purifiers.