20x24x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filter 8x24x1 There is a metal mesh

There is a metal mesh support grid bonded to the pleats for extra support

Nordic Pure 16x25x5 Air Bear Replacement MERV 13 air filters measure an actual depth of 4 7/8"

Nordic Pure 20x25x2 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: 9 1/2 x 13 1/2 x 3/4 (9

20x24x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filter 8x24x1 There is a metal meshActual Size: 19 3 8 x 23 3 8 x 3 5 8 (19. 38 x 23. 38 x 3. 63) 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. Nordic Pure Pure Carbon