Compare With for Core 400S Filter Replacement compatible with Core 400S and 400S-RF air purifiers. Designed to fit your air purifier model. CAPTURES LARGE PARTICLES: Ultra-fine nylon pre-filter effectively traps dust, lint, fibers, hair, and pet fur, helping to extend the life of the filter. UPGRADED HEPA SMART TECHNOLOGY: H13 True HEPA filter material delivers improved purification performance compared to standard HEPA filters. Captures 99.97% of particles as small as 0.3 microns, including household dust, pet dander, mold spores, and plant pollen. REDUCES HOUSEHOLD ODORS: Activated carbon layer with advanced odor-neutralizing formula helps decompose common household and pet odors, improving air quality without risk of secondary pollution. EASY TO REPLACE: Simple installation requires no tools. Disposable design allows for quick replacement. Replace every 6 months for best performance. In highly polluted environments, more frequent replacement may be needed. Color: Yellow Material: Composite material Size: 236 x 252 mm Package Contents: 1 x Air Purifier Filter Note: Light reflection and display settings may cause slight color variation between the image and actual item. Measurement tolerance: +/- 1-3 cm.