Replacement filter set
GermGuardian Filter T FLT406 replacement filter
Filter T (part FLT406) fits GermGuardian APH406W, according to the official GermGuardian product page.
Official GermGuardian fit · checked
GermGuardian models that use Filter T FLT406
This filter is listed for one model. Open a model to see its complete list of primary, optional, and specialty filters.
Before you order
What to check in a FLT406 listing
- The listing names part FLT406. Similar-looking filters are not proof of fit.
- Your purifier is one of the compatible models: GermGuardian APH406W.
- The pack size and pieces included match what you need. Genuine and third-party filters can differ.
- The total price with shipping, seller feedback, and delivery estimate work for you.
Care guidance
Replacement schedule
GermGuardian recommends replacing the combination HEPA and charcoal filter every 6 to 8 months.
Usage conditions can affect service life. Follow the cited manufacturer guidance for this part.
Frequently asked questions
How often should I replace the GermGuardian Filter T (FLT406)?
GermGuardian recommends replacing the combination HEPA and charcoal filter every 6 to 8 months.
Which GermGuardian models use the Filter T FLT406?
According to the official GermGuardian product page, Filter T (FLT406) fits GermGuardian APH406W. Verify the model label on your unit before ordering.
Do aftermarket FLT406 filters work?
Marketplace listings may be from the manufacturer or a third party. Match the exact part number FLT406, review the listing details, and verify the model label on your unit before buying.
Official compatibility record
Manufacturer source
Official Guardian Technologies product page identifies Filter T, SKU FLT406, as compatible with model APH406W.
Guardian Technologies GermGuardian FLT406 - Filter T
Source compatibility checked 2026-08-29. Recheck the listing and your purifier label before ordering.
GermGuardian Filter T FLT406