Ballast Replacement, Compatible Grainger Part Number 809MM3, 809MM4, 809MM5, 809MM6, 809MM7, 809MM8, 809MM9, 809MN0, 809MN1, 809MN2, 809MN3, 809MN4, 809MN5, Compatible Manufacturer Model Number xUV-11xxxx, Replacement Ballast, Compatible Product Type Commercial UV FlexMount