16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 14 Air Filters 15x36x1 We recommend that you change

We recommend that you change your air filter every 30-90 days to maintain maximum efficiency and economy

IMPORTANT Note: Air filters have an actual size that is a fraction of an inch smaller than the standard size (also known as "nominal size")

Nordic Pure 12x20x1 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

Nordic Pure 16x24x1 MERV 13 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

Nordic Pure 12x24x2 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 14 Air Filters 15x36x1 We recommend that you changeActual Size: 15 7 8 x 19 3 4 x 4 3 8 (15. 88 x 19. 75 x 4. 38) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and removed. Replaces Honeywell 16x20x4 and filters with an MPR rating with an actual depth of 4 3 8 and ideal for customers with health problems or for commercial units Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is