20x25x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon Number Per Box:6 Actual Size: 11 1/2 x

Actual Size: 11 1/2 x 19 1/2 x 3/4 (11

Nordic Pure 16x30x2 MERV 7 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: 15 3/4 x 31 3/4 x 3/4 (15

Actual Size: 13 3/4 x 23 3/4 x 3/4 (13

Actual Size: 11 3/4 x 11 3/4 x 3/4 (11

20x25x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon Number Per Box:6 Actual Size: 11 1/2 xActual Size: 19 1 2 x 24 1 2 x 3 5 8 (19. 5 x 24. 5 x 3. 63) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and helps eliminate unwanted odors and other contaminants. If you are replacing a Honeywell or Lennox 20x25x4 Plus Carbon or an air filter with an MPR rating with an actual depth of 4 3 8, please see our 20x25x5 (4 3 8 actual depth) Hypoallergenic, antimicrobial, and electrostatic filter