Nispira Activated Carbon Pre-Filter Type B for GermGuardian, Pure Guardian & Black+Decker Air Purifiers

Keep your GermGuardian, Pure Guardian, or Black+Decker air purifier fresh with the Nispira Type B activated carbon pre-filter — a direct-fit alternative to the original manufacturer filter.

This carbon pre-filter eliminates many common household odors from smoke, wildfire, cooking, and pets, while also removing harmful VOCs.

Product Specifications

Package Includes

• 1 × Nispira Type B activated carbon pre-filter

Installation

No tools or special expertise required.

1. Turn off and unplug your air purifier before servicing.
2. Remove the existing carbon pre-filter from the unit.
3. Confirm the filter model number matches your unit.
4. Insert the Nispira Type B carbon pre-filter in the correct orientation.
5. Close the compartment and restart the purifier.

Always follow your air purifier's manual for filter access and orientation.

Filtration and Maintenance

The Type B activated carbon pre-filter helps:

• Eliminate common household odors from smoke, wildfire smoke, cooking, and pets
• Remove harmful VOCs
• Trap larger particles before they reach the main HEPA filter (sold separately)

For best results, replace approximately every 3 months, depending on usage and indoor air quality.

Compatibility Notice

This carbon pre-filter is designed for:

GermGuardian: AC4300BPTCA, AC4900CA, AC4825, AC4825DLX, AC4850PT, CDAP4500BCA, CDAP4500WCA, AC4820

Pure Guardian: AP2200CA

Black+Decker: BXAP148

It replaces the original filter referenced as FLT4825 / FLT28CB4 (Type B).

Note: This is a carbon pre-filter only. It does not include the main HEPA filter, which is sold separately (Nispira HEPA Filter B).

Disclaimer

Nispira is an independent brand. This is an aftermarket replacement filter and is not manufactured by GermGuardian, Pure Guardian, or Black+Decker.

Brand names, trademarks, and model references are used solely to identify compatibility. Nispira is not affiliated with, sponsored by, or endorsed by GermGuardian, Pure Guardian, Black+Decker, or their respective trademark holders.