The Winix Ultimate Size 21 4-Stage Replacement Filter Cartridge 119110 includes a washable anti-bacterial pre-filter, True HEPA filter, nano-silver mesh shield and more in a single cartridge for easy replacement. The washable carbon filter (for best results, wash every 3 months) and HEPA filter provide a full year of protection!
- Simple installation
- Features washable activated carbon filter, nano-silver mesh shield, anti-bacterial pre-filter and 99.9% True HEPA filter
- Use to replace worn out filters
- Washable anti-bacterial pre-filter
- Fits Winix Air Cleaner Models: P300, U300, 9500, 9000, 6300, 5300, 5000B, 5000.