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    21x21x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    21x21x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $61.61

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    21x23x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    21x23x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $65.29 $61.61

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    12x30x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    12x30x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $70.96

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    14x18x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    14x18x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $56.94

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    13x21.5x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    13x21.5x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $82.22 $61.61

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    12.5x21x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    12.5x21x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $92.61 $56.94

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    10x10x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    10x10x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $56.94

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    12.75x21x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    12.75x21x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $92.60 $56.94

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    Accumulair Gold 12.75x21x0.5 (Actual Size) MERV 8 Air Filter (4 Pack)

    Accumulair Gold 12.75x21x0.5 (Actual Size) MERV 8 Air Filter (4 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

    $61.74

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    21.5x23.25x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    21.5x23.25x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $70.96

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    13x24x1 (Actual Size) Accumulair Gold 1-Inch Filter (MERV 8) (2 Pack)

    13x24x1 (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

    $47.67 $35.68

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    Accumulair Platinum 21x23.25x1 (Actual Size) MERV 11 Air Filters (6 Pack)

    Accumulair Platinum 21x23.25x1 (Actual Size) MERV 11 Air Filters (6 Pack)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $106.52 $94.07

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    13x21x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    13x21x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $75.77 $56.94

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    18x20x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    18x20x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $103.98 $66.29

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    20x22x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    20x22x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $98.29 $61.61

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    Accumulair Diamond 16x25x1 MERV 13 Air/Furnace Filters (6 pack)

    Accumulair Diamond 16x25x1 MERV 13 Air/Furnace Filters (6 pack)

    This filter is 16x25x1 with an actual size of 15.75x24.75x1. The Accumulair Diamond with its MERV 13 rating is one of the highest efficiency filters on the market! Efficiency designed to meet the air filtration efficiency criteria required to gain... more

    $103.66

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    11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) in White | 19.88 H x 21.5 W x 0.75 D in | Wayfair FI19.88X21.5A_4

    11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) in White | 19.88 H x 21.5 W x 0.75 D in | Wayfair FI19.88X21.5A_4

    The Accumulair Titanium is the highest efficiency Accumulairfilter on the market. Given an APR 2250 filter rating, this filter is a high-efficiency filter that captures microscopic allergens smaller than 1 micron! This means that this filter removes a... more

    $82.99

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    11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) in White | 19 H x 22 W x 0.75 D in | Wayfair FI19X22A_4

    11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) in White | 19 H x 22 W x 0.75 D in | Wayfair FI19X22A_4

    The Accumulair Titanium is the highest efficiency Accumulairfilter on the market. Given an APR 2250 filter rating, this filter is a high-efficiency filter that captures microscopic allergens smaller than 1 micron! This means that this filter removes a... more

    $82.99

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    11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) in White | 19 H x 21.5 W x 0.75 D in | Wayfair FI19X21.5A_4

    11.5X11.5X1 (Actual Size) Accumulair Titanium 1-Inch Filter (Merv 13) (4 Pack) in White | 19 H x 21.5 W x 0.75 D in | Wayfair FI19X21.5A_4

    The Accumulair Titanium is the highest efficiency Accumulairfilter on the market. Given an APR 2250 filter rating, this filter is a high-efficiency filter that captures microscopic allergens smaller than 1 micron! This means that this filter removes a... more

    $95.84 $82.99

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    16.38x21.5x1 (Actual Size) Accumulair Titanium 1-Inch Filter (MERV 13) (6 Pack)

    16.38x21.5x1 (Actual Size) Accumulair Titanium 1-Inch Filter (MERV 13) (6 Pack)

    The Accumulair Titanium 16.38x21.5x1 air filter contains a unique mini-pleat design that provides high-efficiency filtration without comprising your airflow. The high-quality construction features an electrostatically charged mini-pleated design that... more

    $124.70

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    16.38x21.5x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    16.38x21.5x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $63.68 $56.94

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    16.38x21.5x1 (Actual Size) Accumulair Platinum 1-Inch Filter (APR 1550)

    16.38x21.5x1 (Actual Size) Accumulair Platinum 1-Inch Filter (APR 1550)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $33.08 $22.43

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    16.38x21.5x1 (Actual Size) Accumulair Ruby 1-Inch Filter (MERV 11) (4 Pack)

    16.38x21.5x1 (Actual Size) Accumulair Ruby 1-Inch Filter (MERV 11) (4 Pack)

    The Ruby air filter by Accumulair is designed and built with superior quality. Its unique mini-pleat design helps trap the maximum amount of airborne pollutants and increase the medias surface area. The high-quality construction features an... more

    $67.18

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    18x30x0.5 (Actual Size) Accumulair Diamond 1/2-Inch Filter (MERV 13) (6 Pack)

    18x30x0.5 (Actual Size) Accumulair Diamond 1/2-Inch Filter (MERV 13) (6 Pack)

    Over 30-times more efficient at capturing micro particles than ordinary fiberglass filters. The Accumulair Diamond with its MERV 13 rating is one of the highest efficiency filters on the market! Great for helping reduce airborne allergens such as... more

    $132.38

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    14x18x1 (Actual Size) Accumulair Titanium 1-Inch Filter (MERV 13) (6 Pack)

    14x18x1 (Actual Size) Accumulair Titanium 1-Inch Filter (MERV 13) (6 Pack)

    The Accumulair Titanium 14x18x1 air filter contains a unique mini-pleat design that provides high-efficiency filtration without comprising your airflow. The high-quality construction features an electrostatically charged mini-pleated design that... more

    $124.70

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    Accumulair Gold 14x24x0.5 (Actual Size) MERV 8 Air Filter (4 Pack)

    Accumulair Gold 14x24x0.5 (Actual Size) MERV 8 Air Filter (4 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

    $47.69

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    20x26x4 (Actual Size) Accumulair Platinum 4-Inch Filter (MERV 11) (6 Pack)

    20x26x4 (Actual Size) Accumulair Platinum 4-Inch Filter (MERV 11) (6 Pack)

    The Accumulair Platinum air filter contains a unique synthetic media that provides high-efficiency filtration without comprising your airflow. To increase durability the pleated media is laminated to a metal backing that is recyclable galvanized and... more

    $117.97

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    15x15x4 (Actual Size) Accumulair Gold 4-Inch Filter (APR 650)

    15x15x4 (Actual Size) Accumulair Gold 4-Inch Filter (APR 650)

    Designed for uniform air flow. Will not support the growth of bacteria mold mildew or fungi in normal use. more

    $23.94

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    30x32x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    30x32x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $113.04

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    8x14x1 (Actual Size) Accumulair Gold 1-Inch Filter (MERV 8) (2 Pack)

    8x14x1 (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

    $35.83

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    12x12x1 (Actual Size) Accumulair Platinum 1-Inch Filter (APR 1550)

    12x12x1 (Actual Size) Accumulair Platinum 1-Inch Filter (APR 1550)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $31.96 $20.88

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    24x30x0.5 (Actual Size) Accumulair Diamond 1/2-Inch Filter (MERV 13) (6 Pack)

    24x30x0.5 (Actual Size) Accumulair Diamond 1/2-Inch Filter (MERV 13) (6 Pack)

    Over 30-times more efficient at capturing micro particles than ordinary fiberglass filters. The Accumulair Diamond with its MERV 13 rating is one of the highest efficiency filters on the market! Great for helping reduce airborne allergens such as... more

    $139.06

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    12.5x21x1 (Actual Size) Accumulair Ruby 1-Inch Filter (MERV 11) (4 Pack)

    12.5x21x1 (Actual Size) Accumulair Ruby 1-Inch Filter (MERV 11) (4 Pack)

    The Ruby air filter by Accumulair is designed and built with superior quality. Its unique mini-pleat design helps trap the maximum amount of airborne pollutants and increase the medias surface area. The high-quality construction features an... more

    $67.18

    FREE shipping

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    12x30x1 (Actual Size) Accumulair Ruby 1-Inch Filter (MERV 11) (4 Pack)

    12x30x1 (Actual Size) Accumulair Ruby 1-Inch Filter (MERV 11) (4 Pack)

    The Ruby air filter by Accumulair is designed and built with superior quality. Its unique mini-pleat design helps trap the maximum amount of airborne pollutants and increase the medias surface area. The high-quality construction features an... more

    $67.18

    FREE shipping

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    20x21.5x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    20x21.5x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $61.61

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    21.5x23x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    21.5x23x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

    Up to 30-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Heavy duty construction frame prevents airflow bypass. more

    $61.61

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    18x20x1 (Actual Size) Accumulair Gold 1-Inch Filter (MERV 8) (6 Pack)

    18x20x1 (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

    $68.60

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    22x24x1 (Actual Size) Accumulair Ruby 1-Inch Filter (MERV 11) (4 Pack)

    22x24x1 (Actual Size) Accumulair Ruby 1-Inch Filter (MERV 11) (4 Pack)

    The Ruby air filter by Accumulair is designed and built with superior quality. This filter is equipped with a self-supporting media tested to perform at the Minimum Efficiency Reporting Value (MERV) of 11. Comparable to MPR 1800 or FPR 9. The filter... more

    $71.85

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    30x32x2 (Actual Size) Accumulair Gold 2-Inch Filter (MERV 8) (6 Pack)

    30x32x2 (Actual Size) Accumulair Gold 2-Inch Filter (MERV 8) (6 Pack)

    Our Accumulair Gold 30x32x2 air filters replacement for whole house HVAC air conditioner 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

    $197.96

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    21-5/8x24-1/4x4 (Actual Size) Accumulair Gold 4-Inch Filter (MERV 8) (6 Pack)

    21-5/8x24-1/4x4 (Actual Size) Accumulair Gold 4-Inch Filter (MERV 8) (6 Pack)

    The Accumulair Gold air filter contains a unique synthetic media that provides high-efficiency filtration without comprising your airflow. Up to 20-times more efficient at capturing allergens than ordinary fiberglass filters. Uniform pleat shape... more

    $140.58

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    More information about Air Conditioner Accessories

    Best prices on 16 25x21x1 actual size accumulair in Air Conditioner Accessories. Check out Bizrate for great deals on popular brands like . Use Bizrate's latest online shopping features to compare prices. Read product specifications, calculate tax and shipping charges, sort your results, and buy with confidence. Easily narrow your search and find the product that's perfect for you.