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Replacement filter set

GermGuardian Filter P – FLT5800 replacement filter

Filter P (FLT5800) fits GermGuardian AP5800W according to the cited GermGuardian source.

Official manufacturer Filter P FLT5800 Check official GermGuardian availability Non-affiliate link to the cited official product page.
Marketplace search Check eBay prices for FLT5800 Sponsored eBay links. We may earn a commission from qualifying purchases.

Quick fit check

Filter P fit and replacement facts

Part numberFLT5800
Compatible models1
Filter roleReplacement filter set

The cited page describes FLT5800 as a True HEPA and treated-carbon replacement filter but does not state a replacement interval.

Compatible GermGuardian models

Follow a model link for its complete primary, optional, specialty, and alternative filter list.

Model Filter Part number Role Source Marketplace
GermGuardian AP5800W Filter P FLT5800 Replacement filter set Guardian Technologies GermGuardian FLT5800 - Filter P Check prices

Buying checklist

What to check in a filter listing

Confirm that the listing names part FLT5800 and one of the compatible models: GermGuardian AP5800W. Similar-looking filters are not proof of fit.

Decide whether you want an OEM or aftermarket filter, then compare the included pieces, product photos, seller details, delivery estimate, and total price.

Care guidance

Replacement schedule

The cited page describes FLT5800 as a True HEPA and treated-carbon replacement filter but does not state a replacement interval.

Usage conditions can affect service life. Follow the cited manufacturer guidance for this part.

Frequently asked questions

How often should I replace the GermGuardian Filter P (FLT5800)?

The cited page describes FLT5800 as a True HEPA and treated-carbon replacement filter but does not state a replacement interval.

Which GermGuardian models use the Filter P FLT5800?

According to the official GermGuardian product page, Filter P (FLT5800) fits GermGuardian AP5800W. Verify the model label on your unit before ordering.

Do aftermarket FLT5800 filters work?

Marketplace listings may be from the manufacturer or a third party. Match the exact part number FLT5800, review the listing details, and verify the model label on your unit before buying.

Manufacturer source

Official Guardian Technologies product page identifies Filter P, SKU FLT5800, as compatible with model AP5800W.

Guardian Technologies GermGuardian FLT5800 - Filter P

Source compatibility checked 2026-07-22. Recheck the listing and your purifier label before ordering.