Important Note: Almost ALL furnace filters have a different “actual size” than the nominal size printed on the air filter. With the 4″ and 5″ air filters there is a wider variance between the nominal and actual size depending on the manufacturer.
Important Note: Almost ALL furnace filters have a different “actual size” than the nominal size printed on the air filter. With the 4″ and 5″ air filters there is a wider variance between the nominal and actual size depending on the manufacturer.
Nominal Size: 20 x 25 x 5 AB, Actual Size: 19 3/4 x 24 1/4 x 4 7/8 (19.75 x 24.25 x 4.88).
Nominal Size: 20 x 25 x 5 AB, Actual Size: 19 3/4 x 24 1/4 x 4 7/8 (19.75 x 24.25 x 4.88).
Nominal Size: 20 x 25 x 5 AB, Actual Size: 19 3/4 x 24 1/4 x 4 7/8 (19.75 x 24.25 x 4.88) Measure your air filter for the exact size and compare it to our actual size to ensure proper fit. Trion Air Bear Replacement filters have a depth of 4 7/8″ and ideal for high efficiency air filtration and those with moderate allergies MERV 12 is equivalent to MPR 1500-1900 Made in the USA
Nominal Size: 20 x 25 x 5 AB, Actual Size: 19 3/4 x 24 1/4 x 4 7/8 (19.75 x 24.25 x 4.88) Measure your air filter for the exact size and compare it to our actual size to ensure proper fit. Trion Air Bear Replacement filters have a depth of 4 7/8″ and ideal for high efficiency air filtration and those with moderate allergies MERV 12 is equivalent to MPR 1500-1900 Made in the USA
Important Note: Almost ALL furnace filters have a different “actual size” than the nominal size printed on the air filter. With the 4″ and 5″ air filters there is a wider variance between the nominal and actual size depending on the manufacturer.
Important Note: Almost ALL furnace filters have a different “actual size” than the nominal size printed on the air filter. With the 4″ and 5″ air filters there is a wider variance between the nominal and actual size depending on the manufacturer.