*Massive Washable/Reuseable Filter:* With 8-1/2" Base x 8-1/2" Top (Inv) x 11" Height with a 4" flange, this filter is a direct replacement for the popular Donaldson paper filter P/N: ECB085011). Rather than throwing the filter away, you can now wash the filter and reuse it over and over again. *Rounded Open Pleats:* aFe performance air filters use a rounded, evenly spaced pleat design which produces more useable filter surface area for increased flow and greater dust holding capacity. Pleats are 30% taller that the paper alternative. *100% polyurethane construction:* To allow multiple cleaning cycles, the top and base are made of 100% pliable polyurethane that does not deteriorate with time or exposure to heat and chemicals. aFe Power Universal Clamp-on performance filters have a limited 2-year warranty. PartNumber : afe21-90089 Description : MagnumFLOW Universal Clamp On PRO DRY S Air Filter; 5 5/8 x 2 5/8 in. F/7 x 4 in. B Inverted/7 x 3 in. T/7 7/8 in. H; Conical Filter; Cap Outside Diameter : N/A Filter Style : Dry Shape : Closed Conical Diameter Outside (in.) : N/A Filter Material : Mesh Synthetic Media Overall Length (in.) : NA Height (in.) : 7.875 Width (in.) : 7 Diameter Inside (in.) : N/A Air Filters::Air Filters - Universal Fit