Nordyne DPFPC20X25X5M13-DND Merv 13 Furnace Filters; Pack Of 2
3 micron.Nordyne whole house Media FilterFeaturesFits Nordyne air cleaner models 918378, 919053, N-BB2025, N-MU2025, RAM2000.Removes atmospheric and household dust, coal and insecticide dust, mites, pollen, tobacco smoke, cooking smoke, grease, mold, fungi and more down to 0.