Stens 100-287 Air Filter Replaces: Red max: 515417301, 521361301, 550082171, 55082171 Fits Red max: Bc2300, Bc2600, BT225, Cht2200, Cht2300, Edg2300, he225, he2600, HT2200 and HT2300 Width: 2"length: 2 1/2"height: 3/4" Made in the U.S.A