21x26x1 (20 x 25.63 x .75) MERV 11 Accumulair Replacement Filter for American Standard $54.86 Available FeaturesNominal size 21" x 26" x 5" (Actual Size 20.1" x 25.7" x 5")Aftermarket replacement filter.Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander... Compare Add to Cart
21x26x5 (20.1 x 25.7 x 5) MERV 13 Accumulair Replacement Filter for American Standard $37.86 Available FeaturesNominal size 21" x 26" x 5" (Actual Size 20.1" x 25.7" x 5")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that carry... Compare Add to Cart
21x23.5x5 (20.1 x 23.2 x 5) Carbon Odor Block Accumulair Replacement Filter for American Standard $40.52 Available FeaturesNominal size 21" x 23 1/2" x 5" (Actual Size 20.1" x 23.2" x 5")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that carry... Compare Add to Cart
21x23.5x1 (20 x 23.13 x .75) MERV 13 Accumulair Replacement Filter for American Standard $61.25 Available FeaturesNominal size 21" x 23 1/2" x 1" (Actual size 20 x 23 1/8" x 3/4")Can be used to replace washable pre-filter #BAYFTAH23W1A.Economical, high-capacity media makes this filter an ideal upgrade... Compare Add to Cart
17.5x27x5 (17.2 x 26.2 x 5) MERV 8 Accumulair Replacement Filter for American Standard $29.87 Available FeaturesNominal size 17 1/2" x 27" x 5" (Actual Size 17.2" x 26.2" x 5")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that carry... Compare Add to Cart
21x27x1 (20.63 x 26.25 x .75) MERV 13 Accumulair Replacement Filter for American Standard $64.44 Available FeaturesNominal size 21" x 27" x 1" (Actual size 20 5/8" x 26 1/4" x 3/4")Can be used to replace washable pre-filter #BAYFTFR21W1A.Economical, high-capacity media makes this filter an ideal upgrade... Compare Add to Cart
24.5x27x1 (24.25 x 26.25 x .75) MERV 11 Accumulair Replacement Filter for American Standard $54.86 Available FeaturesNominal size 24 1/2" x 27" x 1" (Actual size 24 1/4" x 26 1/4" x 3/4")Can be used to replace washable pre-filter #BAYFTFR24W1A.Economical, high-capacity media makes this filter an ideal... Compare Add to Cart
21x27x5 (20.7 x 26.2 x 5) MERV 13 Accumulair Replacement Filter for American Standard $37.86 Available FeaturesNominal size 21" x 27" x 5" (Actual Size 20.7" x 26.2" x 5")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that carry... Compare Add to Cart
21x23.5x1 (20 x 23.13 x .75) MERV 11 Accumulair Replacement Filter for American Standard $51.66 Available FeaturesNominal size 21" x 23 1/2" x 5" (Actual Size 20.1" x 23.2" x 5")Aftermarket replacement filter.Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet... Compare Add to Cart
21x26x1 (20 x 25.63 x .75) MERV 13 Accumulair Replacement Filter for American Standard $64.44 Available FeaturesNominal size 21" x 26" x 1" (Actual size 20" x 25 5/8" x 3/4")Can be used to replace washable pre-filter #BAYFTAH26W1A.Economical, high-capacity media makes this filter an ideal upgrade from... Compare Add to Cart
21x26x1 (20 x 25.63 x .75) MERV 8 Accumulair Replacement Filter for American Standard $46.50 Available FeaturesNominal size 21" x 26" x 1" (Actual size 20" x 25 5/8" x 3/4")Can be used to replace washable pre-filter #BAYFTAH26W1A.Economical, high-capacity media makes this filter an ideal upgrade from... Compare Add to Cart
24.5x27x1 (24.25 x 26.25 x .75) MERV 8 Accumulair Replacement Filter for American Standard $51.66 Available FeaturesNominal size 24 1/2" x 27" x 1" (Actual size 24 1/4" x 26 1/4" x 3/4")Can be used to replace washable pre-filter #BAYFTFR24W1A. Compare Add to Cart
17.5x27x5 (17.2 x 26.2 x 5) MERV 11 Accumulair Replacement Filter for American Standard $33.87 Available FeaturesNominal size 17 1/2" x 27" x 5" (Actual Size 17.2" x 26.2" x 5")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that carry... Compare Add to Cart
21x21.5x1 (20 x 21.13 x .75) MERV 8 Accumulair Replacement Filter for American Standard $46.50 Available FeaturesNominal size 21" x 21 1/2" x 1" (Actual size 20" x 21 1/8" x 1")Replaces American Standard® pre-filter #BAYFTAH21W1A.Captures a wide variety of airborne allergens including dust, mold, pet... Compare Add to Cart
17.5x27x1 (17.13 x 26.25 x .75) MERV 11 Accumulair Replacement Filter for American Standard $51.66 Available FeaturesNominal size 17 1/2" x 27" x 1" (Actual size 17 1/8" x 26 1/4" x 3/4")Can be used to replace washable pre-filter #BAYFTFR17W1A.Economical, high-capacity media makes this filter an ideal... Compare Add to Cart
21x21.5x1 (20 x 21.13 x .75) MERV 13 Accumulair Replacement Filter for American Standard $61.25 Available FeaturesNominal size 21" x 21 1/2" x 1" (Actual size 20" x 21 1/8" x 1")Replaces American Standard® pre-filter #BAYFTAH21W1A.Captures a wide variety of airborne allergens including dust, mold, pet... Compare Add to Cart
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