Purifier Filter Match
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  2. 2Your part
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Winix replacement filter

Winix 9500 / U300

Winix lists Filter B HEPA and AOC carbon cassette, 114190, for US 9500, U300. The Amazon action searches this reference; no exact retail product or pack has been approved.

Models listed by the manufacturer

  • 9500
  • U300

Models checked: US. Match the full code on your label.

Where is my model number?

Before you buy

  • The source applies to the listed US models only; another regional model or suffix is not approved by a similar name.
  • Manufacturer set contents are distinct from merchant pack contents. No Amazon product, seller or pack was approved.
Find the complete model code
  1. Read the complete Winix model on the purifier label and retain every letter, digit and suffix.
  2. Match the label with one of the manufacturer-listed US codes on this page.
  3. Compare 114190, components and quantity on the final merchant listing; the search does not approve the listed item or pack.
Filter and fitting details
  • Winix names 9500 and U300 for Filter B, 114190.
  • The manufacturer sells the cassette as one unit and states its individual components cannot be purchased separately.
  • The manufacturer describes the pre-filter and AOC carbon component as washable. This does not describe the HEPA filter as washable.

Manufacturer sources

Documentation checked Oct 12, 2026 by Codex (manufacturer documentation). We have not physically tested these filters.

Winix filter114190
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