K&N Replacement Industrial Air Filter E-4690

Washable and reusableDesigned for industrial and small engine applicationsHigh air flow with excellent filtrationEase of maintenanceOne year limited warrantyThe K&N E-4690 Air Filter fits some Stihl SE-121, Stihl SE-122, and Stihl SE-61 models. The K&N E-4690 replacement air filter is constructed with layers of woven cotton for outstanding filtration and low air restriction to help your engine run more efficiently. This air filter can be washed and reused. The E-4690 is easy to install and is custom designed to fit some Stihl wet and dry vacuum cleaners, as well as other applications. Product Specifications:Air Filter Shape RoundFilter Material Cotton GauzeFilter Re-Oiling Amount 1.6 oz (47 ml)Flanges NoneHeight 5.5 in (140 mm)Inner Wire NoInside Diameter 5.25 in (133 mm)Outside Diameter 7.25 in (184 mm)Package Contents 1 Air Filter