
HQRP 2x HEPA B & 4pcs Carbon Filters for GermGuardian FLT4825 FLT4850PT FLT22CB4
USD 27.95
+ USD 6.95 shippingGermGuardian model lookup
GermGuardian CDAP4500 has 2 primary replacement filter parts: FLT22CB4, FLT4825. Match the role and part number before ordering.
FLT22CB4
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View part details Official GermGuardian sourceFLT4825
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View part details Official GermGuardian sourceCurrent marketplace listings
6 part-number-matched listings
These sponsored listings contained the manufacturer part number when fetched. They may be manufacturer or third-party products. Compare package contents, total cost, delivery estimate, and seller details before ordering. We may earn a commission from qualifying purchases.
FLT22CB43 current listings for FLT22CB4
Official package reference: 4 × Carbon pre-filter elements. Source checked 2026-08-29. Marketplace package contents can differ.
USD 27.95
+ USD 6.95 shippingUSD 19.95
+ USD 5.95 shippingUSD 12.95
+ USD 5.95 shippingFLT48253 current listings for FLT4825
USD 16.99
Free shippingUSD 13.86
Free shippingUSD 69.48
Free shippingListing data provided by eBay and fetched . Prices, shipping, delivery estimates, and seller details can change on eBay.
Package details below come from the linked official source; recheck it before buying.
FLT22CB4Primary filters are listed first. Specialty, optional, and alternative filters are compatible options, not required add-ons.
| Filter | Part number | Role | Source | Marketplace |
|---|---|---|---|---|
| Filter B Carbon Replacement Filters (4-Pack) | FLT22CB4 |
Replacement carbon pre-filter pack | Guardian Technologies GermGuardian FLT22CB4 - Filter B Carbon 4-Pack | Check prices |
| Filter B | FLT4825 |
Replacement filter set | Guardian Technologies GermGuardian FLT4825 - Filter B | Check prices |
| Filter B Cannabis Smoke | FLT420B |
Specialty replacement filter set | Guardian Technologies GermGuardian FLT420B - Filter B Cannabis Smoke | Check prices |
| Filter B SMOKE CLEAR | FLT4825SM |
Specialty replacement filter set | Guardian Technologies GermGuardian FLT4825SM - Filter B SMOKE CLEAR | Check prices |
| Filter B TOXIN CLEAR | FLT4825VO |
Specialty replacement filter set | Guardian Technologies GermGuardian FLT4825VO - Filter B TOXIN CLEAR | Check prices |
| Filter B PET PURE | FLT4850PT |
Specialty replacement filter set | Guardian Technologies GermGuardian FLT4850PT - Filter B PET PURE | Check prices |
Official compatibility record
Each compatibility and care statement below is reproduced from the cited official manufacturer record. Check the source again before ordering.
FLT22CB4Official Guardian Technologies product page identifies Filter B carbon replacement filter 4-pack, SKU FLT22CB4, as compatible with models AC4300, AC4900, AC4825, AC4870, CDAP4500, AC4820, AP2200CA and BXAP148.
FLT420BOfficial Guardian Technologies product page identifies Filter B Cannabis Smoke, SKU FLT420B, as compatible with models AC4300, AC4820, AC4825, AC4850PT, AC4870, AC4880, AC4900, AP2200CA and CDAP4500.
FLT4825Official Guardian Technologies product page identifies Filter B, SKU FLT4825, as compatible with models AC4300, AC4820, AC4825, AC4850PT, AC4870, AC4880, AC4900 and CDAP4500.
FLT4825SMOfficial Guardian Technologies product page identifies Filter B SMOKE CLEAR, SKU FLT4825SM, as compatible with models AC4300, AC4820, AC4825, AC4850PT, AC4870, AC4880, AC4900, AP2200CA and CDAP4500.
FLT4825VOOfficial Guardian Technologies product page identifies Filter B TOXIN CLEAR, SKU FLT4825VO, as compatible with models AC4300, AC4820, AC4825, AC4850PT, AC4870, AC4880, AC4900 and CDAP4500.
FLT4850PTOfficial Guardian Technologies product page identifies Filter B PET PURE, SKU FLT4850PT, as compatible with models AC4300, AC4820, AC4825, AC4850PT, AC4870, AC4880, AC4900 and CDAP4500.
Buying checklist
Match the GermGuardian CDAP4500 model label and the exact part number above. Marketplace listings can be OEM or aftermarket, and a similar-looking filter may have different dimensions.
Compare the listing title, product photos, included filter pieces, seller details, delivery estimate, and total price before you order.
Care guidance
Usage and air quality can affect service life. Follow the cited manufacturer guidance for each part.
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The GermGuardian CDAP4500 uses Filter B Carbon Replacement Filters (4-Pack) (FLT22CB4), Filter B (FLT4825) as its primary replacement filter parts. It also has these optional, specialty, or alternative compatible parts: Filter B Cannabis Smoke (FLT420B), Filter B SMOKE CLEAR (FLT4825SM), Filter B TOXIN CLEAR (FLT4825VO), Filter B PET PURE (FLT4850PT). Those parts are not simultaneously required primary filters.
GermGuardian recommends replacing the activated carbon filter layer every 2 to 3 months depending on use. Package contains 4 carbon replacement filters.
This page links directly to the cited official GermGuardian product page and shows sponsored individual eBay listings when a fresh exact-part snapshot is available, with an exact-part eBay search fallback. This site does not sell filters; match the part number and review the current source or seller listing before buying.




