FLT4825 Filter B replacement — compatible with GermGuardian and other models Key benefits efficiency HEPA filtration: True HEPA Filter B captures up to 99.97% of fine airborne particles, reducing dust, pollen, mold spores and other allergens. Odor control with carbon prefilter: Activated carbon layer reduces common household odors from pets, cooking and smoking to improve overall indoor air quality. Costeffective value: Package includes 2 FLT4850PT pet HEPA filters and 6 carbon prefilters at nearly half the of original OEM filters, with extra carbon pads for regular, convenient replacement. Easy fit and reliable performance: Designed to match original filter dimensions for a secure fit and consistent airflow. Compatibility and size Compatible with GermGuardian air purifier filter models: AC4825E, AC4825W, AC4820, AC4300BPTCA, AC4300WPT, AC4900CA, AC4850PT, CDAP4500BCA, CDAP4500WCA; also compatible with PureGuardian Model AP2200CA and Black+Decker BXAP150. Item dimensions: 15.7 x 4.7 inches. Materials: True HEPA media plus activated carbon prefilter. Performance and maintenance Filtration efficiency: Captures 99.97% of particles down to 0.3 microns. Carbon prefilter reduces odors and protects the HEPA layer from larger particles. Recommended replacement schedule: the HEPA filter every 6–8 months depending on use and air quality. the carbon prefilter every 2–3 months to control odors and extend HEPA life. Practical use scenarios Pet households: Remove pet dander and reduce animal odors in living rooms and bedrooms. Cooking and shared kitchens: Cut down lingering cooking smells and smoke particulates in openplan apartments or condos. Allergy relief and sleeping spaces: Improve air quality in bedrooms, nurseries or home offices for allergy sufferers and light sleepers. What's included 2 FLT4850PT pet HEPA Filter B replacements 6 activated carbon prefilters for regular swapping Reliable replacement that fits original models, restores filtration performance, and offers a practical, lowercost alternative to OEM filters.