Product: Replacement multilayer HEPA filter for Levoit Core300Rf / Core300S Key benefits Cleaner air with efficiency filtration: Multilayer design using Efficiency Particulate Arrestance (HEPA) material plus advanced lowenergy, lowdensity technology delivers strong particulate capture and a large airflow capacity for continuous purification. Quiet operation: Low wind resistance and reduced pressure lower operating noise so the unit runs quietly in living spaces, bedrooms, and offices. Lower maintenance and cost: Typical service life of 6–8 months under normal use reduces filter replacement frequency and ongoing expense. Simple, tool replacement: Designed for fast, independent maintenance—no tools required—so anyone can swap filters quickly and reliably. Durable and compact: Robust, compact construction resists damage and fits the intended Levoit models without affecting performance. Features and performance Multilayer filtration: Combines HEPAgrade material with additional layers to capture airborne particles while maintaining airflow. Lowenergy, lowdensity technology: Improves purification efficiency and keeps wind resistance and pressure low to reduce noise and energy draw. airflow capacity: Engineered to support large air volume throughput for effective room coverage when used with the compatible Levoit models. Long service life: Expect 6–8 months of stable performance under normal household or office conditions, helping reduce replacements and hassle. Compatibility: Specifically designed for Levoit Core300Rf and Core300S air purifiers; fits and functions with original product form and operation. What problems it solves Reduces airborne particles and maintains air quality in living and work spaces. Preserves a quiet environment for sleep, work, and study by minimizing fan noise and turbulence. Lowers user maintenance burden and ongoing cost with extended filter life and easy replacement. Protects the purifier and ensures consistent performance through a durable, properly fitting filter. Easy replacement (no tools) Remove the old filter from the Core300Rf / Core300S. Insert the replacement filter, aligning it as the original was positioned. Close the unit and resume normal operation. Replacement can be completed in minutes by users without appliance maintenance experience. Typical use scenarios Bedroom: Keeps the sleeping environment quiet while reducing dust, pet dander, and other particulates for better rest. Home office: Provides continuous, unobtrusive purification so you can work without distraction from fan noise. Nursery or family room: Offers reliable, longlasting filtration in use spaces while minimizing the need for frequent filter changes. Materials and compatibility Filter media: Efficiency Particulate Arrestance (HEPA) material within a multilayer filtration assembly. Compatible models: Levoit Core300Rf and Core300S. Design: Compact, robust housing for easy handling and damage resistance. What you get A durable, performance replacement filter engineered for quiet, efficient purification and a 6–8 month service life in normal use, compatible with Levoit Core300Rf and Core300S.