Knob, For Use With Grainger Item Number 20HW28, 14X829, 4NEL4, 14X831, 4NEL8, 14X832, For Use With Mfr. Model Number FANG 15B, FANG 18C, FANG 20, FANG 20HD, FANG 26T, FANG 28T, Fits Brand Dayton