The K&N Universal air filter with a 2-1/2 in. flange and 4 in. OD is a washable, reusable element provided in a compact 5 in. height, intended for varied intake angles and configurations. Its universal construction and pliable flange make it adaptable to many custom or small-equipment applications where a small, serviceable filter is preferred over disposable alternatives.
K&N 2-1/2in 5 Deg Flg 3-1/2 Od 4in H