*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 : afe72-90085 Description : MagnumFLOW Universal Clamp On Pro-GUARD 7 Air Filter; 3.25 In. F x 11 In. x 6 In. B x 9.5 In. x 4.5 In. T x 6 In. H; Diameter Outside (in.) : N/A Height (in.) : 6.0 Overall Length (in.) : NA Shape : Universal Cap Outside Diameter : N/A Filter Material : Cotton Gauze Filter Style : N/A Width (in.) : NA Diameter Inside (in.) : N/A Air Filters::Air Filters - Drop In