20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 15 Air Filters Number Per Box:4 The electrostatic charge works as

The electrostatic charge works as a magnet to draw in and trap smaller airborne particles

which is 9-gauge wire grid with a support that runs through the middle for added strength and stability

Trion Air Bear Replacement filters have a depth of 4 15/16" and ideal for superior filtration or commercial units

Actual Size: 17 1/4 x 26 x 3/4 (17

Odorus gases and vapors (VOC) are attracted to and held by the activated carbon material while maintaining excellent air flow properties

20x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 15 Air Filters Number Per Box:4 The electrostatic charge works asActual Size: 19 7 8 x 24 7 8 x 4 3 8 (19. 88 x 24. 88 x 4. 38) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and removed. Replaces Honeywell 20x25x4 and filters with an MPR rating with an actual depth of 4 3 8 and ideal for superior filtration or commercial units Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 15+ is equivalent to MPR