Winix model lookup
Winix U450 replacement filter
Check the model label and the cited source before ordering.
Part numbers
| Model | Filter | Part number | Role | Source | Marketplace |
|---|---|---|---|---|---|
| Winix U450 | Filter F | 114290 |
Primary replacement filter cassette | Winix America Filter F - 114290 | Check prices |
Compatibility notes
This page uses factual model and part-number references from cited sources. It does not imply manufacturer affiliation or approval.
Marketplace results can include OEM and aftermarket listings. Match the part number, model number, and listing details before purchase.
Search marketplace
Filter F 114290
Check eBay prices for 114290Frequently asked questions
What filter does the Winix U450 use?
The Winix U450 uses Filter F (114290). Each part number on this page is backed by an official Winix source.
How often should I replace the Winix U450 filter?
Winix sells this as a one-year replacement filter set: replace the set every 12 months. The included AOC carbon filter is washable during that period. The Filter Replacement Indicator LED on the unit also illuminates when a filter change is due.
Where can I buy a replacement filter for the Winix U450?
Genuine filters are sold on the official Winix America site (linked in the source column), and both genuine and aftermarket filters are listed on eBay. Match the exact part number before buying; Winix states its warranty is voided by non-Winix filters.