4 Pack FLT4825 Filter B Replacement Compatible with Guardian AC4825E

PERFECT COMPATIBLE: FLT4825 Replacement Filter B compatible with AC4825, AC4825E, AC4825W, AC4300, AC4300BPTCA, AC4300WPT, AC4880, AC4880B, AC4880W, AC4900, AC4870, AC4820 Models, True Filter for AC4825E replacement filters | HIGH-EFFICIENCY TRUE FILTER B: The High-efficiency FLT4825 True air filters absorbs up to 99.97% of airborne particles as small as 0.3 microns, bring fresh and clean air to your home, bedroom or office | ACTIVATED CARBON PRE-FILTER: The activated carbon pre-filter of FLT4825 filter b collects hair, pet dander, and fiber. True Filter absorbs cooking fumes and cleanses odors, improving air quality and bringing a comfortable air environment to your family | PRODUCT SPECIFICATION: Product Size:15.6 x 11.6 x 1.18inches. 4 True Filters + 8 Carbon Pre-Filters. It is recommended to replace true filter every 6-8 months, replace the activated carbon pre-filter every 2-3 months for optimal performance | SATISFACTORY SERVICE: We value customer service and satisfaction. If you encounter any problems during installation, please contact us. We will respond to you within 12 hours and provide a satisfactory solution