Hfunmo Filter B FLT4825 Replacement – 2 True HEPA + 6 Pre-Filters for Guardian AC4825/AC4825E Air Purifiers (2-Pack)

Refresh your Guardian air purifier with Hfunmo Filter B

The Hfunmo FLT4825 Filter B set is designed to rejuvenate compatible Guardian models, including AC4825, AC4825E, AC4300BPTCA, AC4850PT, and AC4900CA. Note this kit is not compatible with the AC5000 series. The goal is to offer a straightforward upgrade that supports sustained airflow and clean air in everyday spaces.

What you get in this pack

• 2 true HEPA filters capable of capturing particles as small as 0.3 microns, helping maintain a baseline level of air clarity.
• 6 pre-filters made with activated carbon, designed to reduce odors and certain VOCs generated by cooking, pets, and everyday activities.

Why consider this replacement kit

• Extend the life of the main filtration stage by refreshing pre-filters on a regular schedule, which can help preserve airflow and filtration efficiency.
• Value-packed and easy to reorder, this 2 HEPA + 6 pre-filter set offers a convenient route to maintain fresh air between service visits.

Real‑world use scenarios

• Open-plan living rooms with frequent cooking odors, pet dander, or smoke exposure, where consistent filtration can matter.
• Bedrooms or home offices where quiet, clean air aids focus and comfort without making unverified promises about outcomes.

Installation is straightforward: replace the old HEPA units, then slot in the six pre-filters in their respective positions. Always consult your purifier’s manual for orientation and safety guidelines to ensure a proper fit.

Quality and support

Hfunmo stands by the product with a focus on fit and function. If you encounter any fit issues, contact us and we will respond promptly to help resolve the situation.