Exact model stated by the manufacturer
GermGuardian AC4825E replacement filter
Documented OEM reference: Filter B · FLT4825
Guardian Technologies identifies the selected purifier variant as AC4825E and lists HEPA Filter B FLT4825 as a compatible replacement. Its separate filter page also lists AC4825E. This row covers the original FLT4825 part only.
Limits. Do not infer that all Filter B variants are identical. US-source evidence only; it does not establish Canadian or UK stock, shipping, warranty, or local compatibility details, and does not rate aftermarket filters.
Guardian Technologies AC4825E official product page · US ↗
Source market: US · Checked 2026-10-20. No stock, price, or seller claim is made. Fit is not filtration performance.
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Other models listed for the same part
- GermGuardian AC4300BPTCA
One part listed for several models does not make those purifiers interchangeable.