Hazardous Conduit Conversion Kit, Fits Square Base Size Not Applicable, Compatible Grainger Part Number 4YU97, 4YU98, 4YU99, 4YY10, 56JP04, Material Ductile Iron, Copper Free Aluminum, Includes Extra Adapter or Reducer, Kit Contains Parts to Plumb Explosion Proof Motors Around the Fan Motor and Bearing Plate, For Fan Type Downblast Fans, Upblast Fans, For Fan Mounting Type Not Applicable, Container Capacity Not Applicable, Standards AMCA, CI, NEMA, UL. This item has been restricted from sale in the following state (s): []