12x20x4.25 (12.13 x 19.88 x 4.25) Carbon Odor Block Accumulair Replacement Filter for Day and Night $84.42 FeaturesNominal size 12" x 20" x 4 1/4" (Actual size 12 1/8" x 19 7/8" x 4 1/4")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that... Compare Add to Cart
12x20x4.25 (12.13 x 19.88 x 4.25) MERV 11 Accumulair Replacement Filter for Day and Night $68.45 FeaturesNominal size 12" x 20" x 4 1/4" (Actual size 12 1/8" x 19 7/8" x 4 1/4")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that... Compare Add to Cart
12x20x4.25 (12.13 x 19.88 x 4.25) MERV 13 Accumulair Replacement Filter for Day and Night $72.44 FeaturesNominal size 12" x 20" x 4 1/4" (Actual size 12 1/8" x 19 7/8" x 4 1/4")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that... Compare Add to Cart
12x20x4.25 (12.13 x 19.88 x 4.25) MERV 8 Accumulair Replacement Filter for Day and Night $60.46 FeaturesNominal size 12" x 20" x 4 1/4" (Actual size 12 1/8" x 19 7/8" x 4 1/4")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that... Compare Add to Cart
16x20x4.25 (15.5 x 19.88 x 4.25) Carbon Odor Block Accumulair Replacement Filter for Day and Night $88.41 FeaturesNominal size 16" x 20" x 4 1/4" (Actual size 15 1/2" x 19 7/8" x 4 1/4")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that... Compare Add to Cart
16x20x4.25 (15.5 x 19.88 x 4.25) MERV 11 Accumulair Replacement Filter for Day and Night $68.45 FeaturesNominal size 16" x 20" x 4 1/4" (Actual size 15 1/2" x 19 7/8" x 4 1/4")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that... Compare Add to Cart
16x20x4.25 (15.5 x 19.88 x 4.25) MERV 13 Accumulair Replacement Filter for Day and Night $76.43 FeaturesNominal size 16" x 20" x 4 1/4" (Actual size 15 1/2" x 19 7/8" x 4 1/4")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that... Compare Add to Cart
16x20x4.25 (15.5 x 19.88 x 4.25) MERV 8 Accumulair Replacement Filter for Day and Night $60.46 FeaturesNominal size 16" x 20" x 4 1/4" (Actual size 15 1/2" x 19 7/8" x 4 1/4")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that... Compare Add to Cart
16x22x5 (15.38 x 21.88 x 5.25) Carbon Odor Block Accumulair Replacement Filter for Day and Night $27.21 FeaturesNominal size 16" x 22" x 5" (Actual size 15 3/8" x 21 7/8" x 5 1/4")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that... Compare Add to Cart
16x22x5 (15.38 x 21.88 x 5.25) MERV 11 Accumulair Replacement Filter for Day and Night $20.69 FeaturesNominal size 16" x 22" x 5" (Actual size 15 3/8" x 21 7/8" x 5 1/4")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that... Compare Add to Cart
16x22x5 (15.38 x 21.88 x 5.25) MERV 13 Accumulair Replacement Filter for Day and Night $23.03 FeaturesNominal size 16" x 22" x 5" (Actual size 15 3/8" x 21 7/8" x 5 1/4")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that... Compare Add to Cart
16x22x5 (15.38 x 21.88 x 5.25) MERV 8 Accumulair Replacement Filter for Day and Night $18.29 FeaturesNominal size 16" x 22" x 5" (Actual size 15 3/8" x 21 7/8" x 5 1/4")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that... Compare Add to Cart
16x25x3 (15.75 x 24.25 x 3) Carbon Odor Block Accumulair Replacement Filter for Day and Night $27.54 FeaturesNominal size 16" x 25" x 3" (Actual size 15 3/4" x 24 1/4" x 3")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that carry... Compare Add to Cart
16x25x3 (15.75 x 24.25 x 3) MERV 11 Accumulair Replacement Filter for Day and Night $17.88 FeaturesNominal size 16" x 25" x 3" (Actual size 15 3/4" x 24 1/4" x 3")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that carry... Compare Add to Cart
16x25x3 (15.75 x 24.25 x 3) MERV 13 Accumulair Replacement Filter for Day and Night $22.03 FeaturesNominal size 16" x 25" x 3" (Actual size 15 3/4" x 24 1/4" x 3")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that carry... Compare Add to Cart
16x25x3 (15.75 x 24.25 x 3) MERV 8 Accumulair Replacement Filter for Day and Night $13.34 FeaturesNominal size 16" x 25" x 3" (Actual size 15 3/4" x 24 1/4" x 3")Great for reducing air borne particles such as dust, pollen, mold spores, tobacco smoke, pet dander and particles that carry... Compare Add to Cart
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