28x28x1 MERV 14 AC Furnace Filters 6 Pack spl_spectrumking PPF 18 29 μmol/s

PPF             18 29 μmol/s

designed with your favorite plants in mind

all of which promote vigorous canopy growth and healthy root development

Each of these machines feature 11 Toro-hardened steel blades on the cutting reel

Please use a tape measure to get the actual size of your current air filter when ordering custom sizes

28x28x1 MERV 14 AC Furnace Filters 6 Pack spl_spectrumking PPF 18 29 μmol/sNordic Pure MERV 14 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.