21x27x1 Trane Replacement MERV 10 AC Furnace Filters 17 1/4x35 1/4x1 Nordic Pure 16x25x1 MERV 8

Nordic Pure 16x25x1 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: 15 1/2 x 24 1/2 x 3/4 (15

Nordic Pure 16x30x2 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

Replaces Honeywell 20x20x4 and filters with an MPR rating with an actual depth of 4 3/8 and ideal for high air filtration and odor control

a human hair is about 70 microns wide

21x27x1 Trane Replacement MERV 10 AC Furnace Filters 17 1/4x35 1/4x1 Nordic Pure 16x25x1 MERV 8Actual Size: 20 1 2 x 26 1 4 x 3 4 (20. 5 x 26. 25 x 0. 75) Removes pollen, smoke particles, pet dander, bacteria, allergens, mold, virus carriers, and other contaminants. Ideal for normal air filtration and will help those with mild allergies. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 10 is equivalent to MPR 1000 Made in the USA. Nordic Pure MERV 10 Pleated AC Furnace Air Filters provide