Replacement Activated Carbon PreFilter for Indoor Air Purifiers Compatible Models: Replaces HRF201B, FRF102B Fits FHT170, FHT180, FHT190 and HHT270, HHT290 series air purifiers Key Benefits: Improves indoor air quality by capturing dust, pet dander, lint, and smoke particles Reduces odors from cooking, pets, and outdoor pollution such as wildfire smoke Helps lower household volatile organic compounds (VOCs) without releasing harmful byproducts Performance Features: Multilayer activated carbon technology traps airborne particles including PM2.5 and fine dust Gasresistant media reduces persistent odors and VOCs from gas appliances, pets, and cooking activities Designed for continuous use in demand environments such as homes with pets, smokers, or during wildfire season Specifications: Dimensions: 255 x 125 x 35 mm Precisely sized for a secure fit in compatible units with no modification required Durable material construction maintains filtration efficiency over time Practical Applications: In kitchens to minimize lingering cooking odors and capture particle emissions from stovetops In living spaces with pets to reduce dander and associated smells while maintaining clean air During wildfire events to help remove fine smoke particles and maintain healthier indoor air This replacement prefilter delivers reliable, longlasting odor control and particulate filtration for compatible air purifier models, ensuring a cleaner and more comfortable home environment.