20x24x1 Pure Carbon Pleated Odor Reduction Furnace Air Filters Number Per Box:3 the efficiency of all air

the efficiency of all air filters is rated according to the same criteria as set forth by ASHRAE

Actual Size: 17 1/2 x 24 1/2 x 1 3/4 (17

Actual Size: 16 3/8 x 21 3/8 x 3/4 (16

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

Actual Size: 21 x 22 x 3/4 (21 x 22 x 0

20x24x1 Pure Carbon Pleated Odor Reduction Furnace Air Filters Number Per Box:3 the efficiency of all airActual Size: 19 1 2 x 23 1 2 x 3 4 (19. 5 x 23. 5 x 0. 75) Attracts and captures most odors, VOCs and airborne particles such as pollen, pet dander and dust mites from your indoor air. Ideal for residential customers in apartments, or for industrial customers who may need a pre filter to help with strong smells Three times the carbon media for better odor absorption. Approximately MERV 8 efficiency rating. Made in the USA. Pure Carbon Pleated Odor