Appliance · Winix

Winix AM90 4-Stage True HEPA Air Purifier with WiFi

verified 2026-10-13 Specs from Winix America - AM90 product page. Also known as: winix am90.

Specs

typeportable air purifier
aham room sq ft373
cadr dust233
cadr pollen240
cadr smoke230

Takes

  • purifier filter Winix Filter A (115115)
    True HEPA + carbon filter set shared by many Winix purifiers: 6300, P300, 5300, 5500, 5300-2, 6300-2, AM90, C909, 9800 and C535.

Check it before you buy

Ask about a specific part and get a verdict with evidence.

Open the checker

Ask your AI assistant

Connect the Tethered Trust MCP server and ask: "What fits my Winix AM90 4-Stage True HEPA Air Purifier with WiFi?"

https://tetheredtrust.com/mcp

Setup for Claude, ChatGPT, Cursor and VS Code

Good to know
  • The Winix 5500-2 (the "-2" model) uses Filter H (116130), not Filter A, even though the older 5500 uses Filter A.
  • Winix: change the True HEPA filter about every 12 months and the carbon pre-filter about every 3 months.

What fits the Winix AM90 4-Stage True HEPA Air Purifier with WiFi?

1 parts and accessories in the graph work with this model. OEM parts first.

purifier filter

Informational only. Confirm with the manufacturer before buying or installing. Spotted a mistake? Report it.