Quality meets or exceeds the leading national brands.
Compare to the original part 112180 N Filter
Easy to install: Just take out the old units and put the new one in. No additional tools required.
Filter dimension 8.75" x 8.75" x 11.5". 3 filters included.
Replacement HEPA filter designed for the Winix NK100, NK105, and QS air purifiers, featuring a premium 3-in-1 design.
Long-Lasting Performance: Durable construction ensures reliable operation and extended filter life. Suggest replacing the filter every 6 months to maximize the performance
3 Stages Filtration: Activated Carbon pre filter prevents any large particles such as hair, debris, pet fur etc from getting side the air purifier. It also removes any household unfavorable Odors & harmful VOCs. High quality HEPA filter captures 99.97% of airborne particles down to 0.3 microns.