Works With: Hoover Elite Hoover U4649-910 Hoover U4697-910 Hoover U4713-910 Hoover C1401-910 Hoover C1409-910 Hoover C1413-910 Hoover C1413-930 Hoover U5035-910 Hoover U5035-930 Hoover U5043-910 Hoover U5043-930 Hoover U5051-910 Hoover U5051-930 Hoover U5053-910 Hoover U5053-930 Hoover U5069-910 Hoover U5079-910 Hoover U5089-910 Hoover U5089-920 Hoover U5089-930 Hoover U5099-910 Hoover U5099-920 Hoover U5099-930 Hoover U5109-910 Hoover U5109-920 Hoover U5109-930 Description:Small Height Adjustment Knob