This Premium H13 Grade Replacement Filter Set (Filter S) Is Fully Compatible With Winix C545 Air Purifier. This High Efficiency Air Filtration System Contains The Following Filters: H13 Grade High Efficiency Main Filter: Captures 99.9% Of Harmful Airborne Particles, Creating Fresh And Purified Air For You And Your Family. Using High-Efficient Air Cleaner Filters And Replacing The Filters Regularly Will Help Optimize Air Cleaning Performance. Maintain The Health And Comfort Of You And Your Family. Replace Your Main Filter (White) Every 8-12 Months For Optimal Performance
