Core 400S Replacement Filter for LEVOIT Core 400S Smart WiFi Air Purifier, 3-in-1 H13 HEPA Filter, Compatible with Part Numbers Core 400S-RF, LRF-C401S-WUS, 2 Pack, White

["【Perfect Compatibility for LEVOIT Core 400S】Compatibility for LEVOIT Core 400S: These replacement filters are designed for use with LEVOIT Core 400S Smart WiFi Air Purifiers, matching part numbers Core 400S-RF and LRF-C401S-WUS. Tool-free installation can be completed in seconds, supporting consistent air purifier performance.","【3-Stage High-Efficiency Filtration System】3-Stage Filtration Structure: Features a complete 3-in-1 filtration system including: (1) nylon pre-filter, (2) HEPA filter layer, (3) high-density activated carbon filter. This multi-layer structure works to process indoor air effectively.","【High-Efficiency HEPA Filtration Performance】HEPA Filtration Performance: The HEPA filter layer is engineered to capture airborne particles as small as 0.3 microns, including fine dust, pollen, pet dander, and common household particles.","【Activated Carbon for Odor Elimination】Activated Carbon Odor Reduction: The thick activated carbon layer works to absorb and reduce household odors from smoke, cooking fumes, and pet smells, helping to reduce lingering scents in homes, offices, and bedrooms.","【Value 2-Pack with Long Service Life】2-Pack Extended Service Life: Each filter has a service life of 6-8 months, depending on usage conditions and air quality. This 2-pack bundle provides 12-16 months of use, reducing the frequency of replacement purchases."]