20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 10 Air Filters Number Per Box:1 Nordic Pure 12x30x1 MERV 8

Nordic Pure 12x30x1 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

Actual Size: 8 1/2 x 30 x 3/4 (8

Nordic Pure 18x18x2 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 16x30x2 MERV 14 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

MERV 10 Plus Carbon air filters are comparable to air filters with the rating of MPR 900-1000

20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 10 Air Filters Number Per Box:1 Nordic Pure 12x30x1 MERV 8Actual Size: 19 5 8 x 19 7 8 x 4 3 8 (19. 63 x 19. 88 x 4. 38) Removes pollen, smoke particles, pet dander, bacteria, allergens, mold, virus carriers, and other contaminants. Replaces Honeywell 20x20x4 and filters with an MPR rating with an actual depth of 4 3 8 and ideal for normal air filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 10 is equivalent to MPR 1000 Made in the USA.