21x21x1 Exact MERV 10 AC Furnace Filters Number Per Box:6 Actual Size: 16 1/2 x

Actual Size: 16 1/2 x 22 x 3/4 (16

Replaces Trion Air Bear Cub filters and others that require an actual 3" depth and ideal for customers with health problems or for commercial units

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

Nordic Pure 10x20x1 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

For example

21x21x1 Exact MERV 10 AC Furnace Filters Number Per Box:6 Actual Size: 16 1/2 xActual Size: 21 x 21 x 3 4 (21 x 21 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 exceptional