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GermGuardian filter finder

GermGuardian air purifier replacement filters

Match your GermGuardian purifier to its official replacement filter. Each of the 55 models below links to the GermGuardian page that confirms the fit.

  • 55 models
  • 39 filters

Search GermGuardian models and part numbers

Use the model number on your purifier's label, or the part number printed on your old filter.

Matching filters appear as you type.

Start here

By part number

GermGuardian replacement filters

Specialty replacement filter set

Filter C SMOKE CLEAR

Part FLT5000SM

Fits AC5000, AC5250PT, AC5300B, AC5350B +6 more

Specialty replacement filter set

Filter C TOXIN CLEAR

Part FLT5000VO

Fits AC5000, AC5250PT, AC5300B, AC5350B +6 more

Specialty replacement filter set

Filter B Cannabis Smoke

Part FLT420B

Fits AC4300, AC4820, AC4825, AC4850PT +5 more

Specialty replacement filter set

Filter B SMOKE CLEAR

Part FLT4825SM

Fits AC4300, AC4820, AC4825, AC4850PT +5 more

Replacement filter set

Filter B

Part FLT4825

Fits AC4300, AC4820, AC4825, AC4850PT +4 more

Specialty replacement filter set

Filter B PET PURE

Part FLT4850PT

Fits AC4300, AC4820, AC4825, AC4850PT +4 more

Specialty replacement filter set

Filter B TOXIN CLEAR

Part FLT4825VO

Fits AC4300, AC4820, AC4825, AC4850PT +4 more

Replacement filter set

Filter C

Part FLT5000

Fits AC5000E, AC5250PT, AC5300B, AC5350B +3 more

Specialty replacement filter set

Filter C PET PURE

Part FLT5250PT

Fits AC5000, AC5250PT, AC5300, AC5350 +2 more

Replacement filter set

Filter E

Part FLT4100

Fits AC4100, AC4150BL, AC4150P, AC4175W

Replacement filter set

Filter O

Part FLT5100

Fits AC3200, AC3250, AC5109, AP3250

Specialty replacement filter set

Filter O PET PURE

Part FLT5100PT

Fits AC3200, AC3250, AC5109W, AP3250

Specialty replacement filter set

Filter O SMOKE CLEAR

Part FLT5100SM

Fits AC3200, AC3250, AC5109W, AP3250

Specialty replacement filter set

Filter O TOXIN CLEAR

Part FLT5100VO

Fits AC3200, AC3250, AC5109W, AP3250

Replacement filter set

Filter V

Part FLT151

Fits AC151, AC3000, AC3050, AP3151

Specialty replacement filter set

Filter V PET PURE

Part FLT151PT

Fits AC151, AC3000, AC3050, AP3151

Specialty replacement filter set

Filter V SMOKE CLEAR

Part FLT151SM

Fits AC151, AC3000, AC3050, AP3151

Specialty replacement filter set

Filter V TOXIN CLEAR

Part FLT151VO

Fits AC151, AC3000, AC3050, AP3151

Replacement filter set

Filter M

Part FLT4700

Fits AC4625, AC4700B, AC4711W

Replacement filter set

Filter A

Part FLT4010

Fits AC4010, AC4020

Replacement filter set

Filter L

Part FLT4200

Fits AC4200, AC4250B

Replacement filter set

Filter Q

Part FLT200

Fits AC225W, AP201W

Replacement filter set

Filter H

Part FLT9200

Fits AC9200WCA

Replacement filter set

Filter J

Part FLT5900

Fits AC5900WCA

Replacement filter set

Filter K

Part FLT9400

Fits AC9400W

Replacement filter set

Filter N

Part FLT5600

Fits AC5600W

Replacement filter set

Filter P

Part FLT5800

Fits AP5800W

Replacement filter set

Filter R

Part FLT085

Fits AC085

Replacement filter set

Filter T

Part FLT406

Fits APH406W

Replacement filter set

Filter U

Part FLT6100

Fits AP6100

By purifier model

All GermGuardian models A–Z

Free download

Air purifier filter crosswalk CSV

GermGuardian models are included in a spreadsheet with one row per official model-to-filter match, including the source link and replacement guidance.

Download the crosswalk CSV

Avoid ordering the wrong size

How to find your replacement filter

  1. Read the model label

    The model number is printed on a sticker on the back or bottom of your air purifier.

  2. Match the part number

    Search the model to see its primary filter name and exact manufacturer part number.

  3. Compare and order

    Check that the listing names the same part number, then compare price, pack size, and shipping.