20x21x5 (20.75 x 20.63 x 4.88) MERV 11 Accumulair Replacement Filter for Comfort Plus $21.61 Available FeaturesNominal size 20" x 21" x 5" (Actual size 20 3/4" x 20 5/8" 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
16x26x5 (16.13 x 25.75 x 4.88) MERV 8 Accumulair Replacement Filter for Comfort Plus $17.84 Available FeaturesNominal size 16" x 26" x 5" (Actual size 16 1/8" x 25 3/4" x 4 7/8")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that... Compare Add to Cart
16x21x5 (16.25 x 21 x 5) MERV 11 Accumulair Replacement Filter for Comfort Plus $21.57 Available FeaturesNominal size 16" x 21" x 5" (Actual Size 16 1/4" x 21" 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
16x21x5 (16.25 x 21 x 5) MERV 8 Accumulair Replacement Filter for Comfort Plus $17.84 Available FeaturesNominal size 16" x 21" x 5" (Actual Size 16 1/4" x 21" 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
16x21x5 (16.25 x 21 x 5) MERV 13 Accumulair Replacement Filter for Comfort Plus $23.22 Available FeaturesNominal size 16" x 21" x 5" (Actual Size 16 1/4" x 21" 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
20x21x5 (20.75 x 20.63 x 4.88) MERV 8 Accumulair Replacement Filter for Comfort Plus $19.16 Available FeaturesNominal size 20" x 21" x 5" (Actual size 20 3/4" x 20 5/8" 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
20x26x5 (20 x 25.88 x 4.88) MERV 11 Accumulair Replacement Filter for Comfort Plus $21.74 Available FeaturesNominal size 20" x 26" x 5" (Actual size 20" x 25 7/8" x 4 7/8")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that carry... Compare Add to Cart
16x26x5 (16.13 x 25.75 x 4.88) Carbon Odor Block Accumulair Replacement Filter for Comfort Plus $27.85 Available FeaturesNominal size 16" x 26" x 5" (Actual size 16 1/8" x 25 3/4" x 4 7/8")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that... Compare Add to Cart
20x26x5 (20 x 25.88 x 4.88) Carbon Odor Block Accumulair Replacement Filter for Comfort Plus $27.21 Available FeaturesNominal size 20" x 26" x 5" (Actual size 20" x 25 7/8" x 4 7/8")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that carry... Compare Add to Cart
20x26x5 (20 x 25.88 x 4.88) MERV 13 Accumulair Replacement Filter for Comfort Plus $23.22 Available FeaturesNominal size 20" x 26" x 5" (Actual size 20" x 25 7/8" x 4 7/8")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that carry... Compare Add to Cart
20x21x5 (20.75 x 20.63 x 4.88) MERV 13 Accumulair Replacement Filter for Comfort Plus $23.22 Available FeaturesNominal size 20" x 21" x 5" (Actual size 20 3/4" x 20 5/8" 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
16x26x5 (16.13 x 25.75 x 4.88) MERV 11 Accumulair Replacement Filter for Comfort Plus $21.57 Available FeaturesNominal size 16" x 26" x 5" (Actual size 16 1/8" x 25 3/4" x 4 7/8")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that... Compare Add to Cart
20x21x5 (20.75 x 20.63 x 4.88) Carbon Odor Block Accumulair Replacement Filter for Comfort Plus $27.21 Available FeaturesNominal size 20" x 21" x 5" (Actual size 20 3/4" x 20 5/8" 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
16x26x5 (16.13 x 25.75 x 4.88) MERV 13 Accumulair Replacement Filter for Comfort Plus $23.22 Available FeaturesNominal size 16" x 26" x 5" (Actual size 16 1/8" x 25 3/4" x 4 7/8")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that... Compare Add to Cart
16x21x5 (16.25 x 21 x 5) Carbon Odor Block Accumulair Replacement Filter for Comfort Plus $27.21 Available FeaturesNominal size 16" x 21" x 5" (Actual Size 16 1/4" x 21" 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
20x26x5 (20 x 25.88 x 4.88) MERV 8 Accumulair Replacement Filter for Comfort Plus $19.16 Available FeaturesNominal size 20" x 26" x 5" (Actual size 20" x 25 7/8" x 4 7/8")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that carry... Compare Add to Cart