20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 12 Air Filters 17 1/2x23 1/2x1 Nordic Pure 18x30x1 MERV 13

Nordic Pure 18x30x1 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 14x25x2 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

household dust

HVAC systems should be rated to handle filters of MERV 15 and above

Nordic Pure 20x25x4 Pleated Air Filters MERV 14 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 12 Air Filters 17 1/2x23 1/2x1 Nordic Pure 18x30x1 MERV 13Actual Size: 19 7 8 x 24 7 8 x 4 3 8 (19. 88 x 24. 88 x 4. 38) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores and other contaminants. Replaces Honeywell 20x25x4 and filters with an MPR rating with an actual depth of 4 3 8 and ideal for high efficiency air filtration and those with moderate allergies Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame.