20x25x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filter Number Per Box:1 which are 1/1000 of a

which are 1/1000 of a millimeter (a human hair is about 70 microns wide)

and Bryant air filters

household dust

Nordic Pure 20x24x4 MERV 12 Pleated Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

Measure the actual depth of your current filter to make sure it matches this 5 1/4" Goodman Replacement filter

20x25x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filter Number Per Box:1 which are 1/1000 of aActual Size: 19 7 8 x 24 7 8 x 4 3 8 (19. 88 x 24. 88 x 4. 38) Attracts and captures most odors, VOCs and airborne particles such as pollen, pet dander and dust mites from your indoor air. Ideal for residential customers in apartments, or for industrial customers who may need a pre filter to help with strong smells Three times the carbon media for better odor absorption. Approximately MERV 8 efficiency rating. Made in the USA. Important Note: Almost