Exact model stated by the manufacturer
GermGuardian AC4175W replacement filter
Documented OEM reference: FLT4100 / FLT11CB4 / LB4100
Official FLT4100 page names AC4175W.
Limits. Official manufacturer compatibility evidence checked on 2026-10-23; regional or bundle suffixes are retained where the source names them.
Guardian Technologies official compatibility/product page ↗
Source market: US · Checked 2026-10-23. No stock, price, or seller claim is made. Fit is not filtration performance.
Other models listed for the same part
- GermGuardian AC4150
One part listed for several models does not make those purifiers interchangeable.
Check the full model label in the finder →
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Cite this page
Use this text to cite the page. The last-updated date is the date of the latest change to its content.
Filter Ledger. “US GermGuardian AC4175W Replacement Filter”. https://filters.toolatlas.app/en-us/filters/germguardian-ac4175w/. Last updated October 23, 2026.