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GermGuardian replacement filter

GermGuardian AC5900WCA

GermGuardian lists HEPA PURE Filter J combination filter, FLT5900, for US AC5900WCA. The Amazon action searches this reference; no exact retail product or pack has been approved.

Models listed by the manufacturer

  • AC5900WCA

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

Where is my model number?

Before you buy

  • The filter page Used with models widget shows AC151/AC3000B; these unrelated recommendations are excluded.
  • GermGuardian Filter J and Honeywell Type J have different manufacturer references.
  • These manufacturer-listed model codes cover US specifications. Another regional variant needs its own check.
  • The Amazon action is a reference search; no exact retail product, seller or pack has been approved.
Find the complete model code
  1. Read the complete GermGuardian 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 FLT5900, components and quantity on the final merchant listing; the search does not approve the listed item or pack.
Filter and fitting details
  • The filter overview names AC5900WCA. Its purifier product page separately lists HEPA Filter J FLT5900, carbon replacement FLT21CB4 and UV-C bulb LB4000.
  • Carbon pre-filter replacement and UV-C bulb are separate consumables, not substitutes for the FLT5900 HEPA filter.

Manufacturer sources

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

GermGuardian filterFLT5900
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