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17.5x23.5x1 (17.1 x 23.1) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

17.5x23.5x2 (17.1 x 23.1 x 1.75) Accumulair Gold 2-Inch Filter (MERV 8) (6 Pack)

The Accumulair Gold air filter replacement for whole house HVAC air conditioner heater or furnace contains a unique synthetic media that provides high-efficiency filtration without comprising your airflow. Up to 20-times more efficient at capturing... more

12x24x1 (11.75 x 23.75) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

12x20x1 (11.75 x 19.75) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

14x14x1 (13.75 x 13.75) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

18x18x1 (17.75 x 17.75) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

22x24x1 (Actual Size) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

12x30x1 (Actual Size) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

10x10x1 (9.5 x 9.5) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

12.5x21x1 (Actual Size) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

20x30x1 (19.5 x 29.5) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

10x30x1 (9.75 x 29.75) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

20x25x1 (19.75 x 24.75) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

25x25x1 (24.75 x 24.75) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

18x18x1 (Actual Size) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

24x30x1 (23.5 x 29.5) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

16x30x1 (15.5 x 29.5) Accumulair� Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

15x20x1 (14.75 x 19.75) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

14x18x1 (13.5 x 17.5) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

12x24x1 (11.5 x 23.5) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

12x12x1 (11.75 x 11.75) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

22x24x1 (21.5 x 23.5) Accumulair Gold 1-Inch Filter (MERV 8) (4 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

14x20x1 (13.75 x 19.75) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

16x25x1 (15.75 x 24.75) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

13x21.5x1 (Actual Size) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

20x22x1 (19.75 x 21.75) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

20x22x1 (Actual Size) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

30x36x1 (29.5 x 35.5) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

20x21.5x1 (Actual Size) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

22x24x1 (21.5 x 23.5) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

12x30x1 (11.5 x 29.5) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

21x21x1 (Actual Size) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

20x23x1 (Actual Size) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

21x23x1 (Actual Size) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

8x24x1 (Actual Size) Accumulair Gold 1-Inch Filter (MERV 8) (2 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

30x36x1 (Actual Size) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

20x24x1 (19.75 x 23.75) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

25x25x1 (24.5 x 24.5) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

Up to 20-times more effective at capturing micro particles than ordinary fiberglass filters. Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more