White-Rodgers DPFI20X26X5 Merv 8 Replacement Filter&amp;#44; Pack Of 2 White-Rodgers Part &#35;ACB2000&#44; ACM2000&#44; F825-0549 and FR2000-100. Dimension 20 x 26 x 5 in. 98&#37; efficient filtration media. High efficiency filter media collects small dust particles before they can collect on your coils. No assembly required&#44; no combs needed&#44; filter just slides right in&#33;.