Search·GermGuardian
Use this page to see which air purifier models take this cartridge, check suggested change timing when we have it, and open retailer links when you’re ready to buy.
Brand
GermGuardian
This filter’s OEM number is linked to the purifier models below in our reference. If yours is listed, open buying options when you’re ready—always match the number on your current cartridge.
GUARDIAN-FLT4100
FLT4100 HEPA + carbon combo
Replace about every 6 months
Fits these models (6)
Notes & next steps
Search again if you need a different model or part number.
Slim 22" tower