Plus Furnace Pack 4 3/8) Carbon 20x20x5 MERV 14 (4 Replacement Honeywell Filters

Nominal Size: 20 x 20 x 5 H, Actual Size: 19 5/8 x 19 7/8 x 4 3/8 (19.63 x 19.88 x 4.38) Measure your air filter for the exact size and compare it to our actual size to ensure proper fit. MERV rated synthetic poly blend pleated media plus activated charcoal flat panel added to increase odor control Replaces Honeywell 20x20x4 and filters with an MPR rating with an actual depth of 4 3/8 and ideal for superior filtration and odor control Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame.