The UniFlow LE Dual Entry Hoods are available in standard sizes of 48”, 60”, 72” & 96” widths. The aerodynamic face opening with air foil provides uniform air flow into the fume chamber, and thru the VaraFlow Baffle System, to the 12” Diameter bell shaped exhaust collar. Performance tested to ASHRAE 110-1995, SEFA 1-2003.