Nordic Pure 20x25x2 MERV 12 Pleated Plus Carbon AC Furnace Air Filters 3 Pack & 20x25x5 (19_7/8 x 24_7/8 x 4_3/8) Honeywell Replacement Air Filters MERV 12 Plus Carbon 2 Pack

• Product 1: Nominal Size: 20 x 25 x 2, Actual Size: 19 1/2 x 24 1/2 x 1 3/4 (19.5 x 24.5 x 1.75) Product 1: Measure your air filter for the exact size and compare it to our actual size to ensure proper fit. Product 1: Ideal for customers who not only need odor control but whose daily life demands high filtration Product 1: Nordic Pure MERV 12 is equivalent to MPR 1500-1900 Product 2: Nominal Size: 20 x 25 x 5 H, Actual Size: 19 7/8 x 24 7/8 x 4 3/8 (19.88 x 24.88 x 4.38) Product 2: Measure your air filter for the exact size and compare it to our actual size to ensure proper fit. Product 2: Two beneficial air filters in one - MERV rated synthetic poly blend activated carbon infused pleated media Product 2: Nordic Pure recommends changing 5" air filters every 3-6 months