Pleated media provides a large filtration area offering long service intervals. Multiple layers of woven cotton gauze media offers excellent filtration. Washable, reusable, pre-oiled and ready to ride. Increases horsepower and torque. Made in the USA. Fits Screamin Eagle Stage 1 for 09-17 Ventilator Element. 10-17 CVO Dresser. Replace OEM 29670-09 / 29400022A.