VTF1 Panel Height: 1 3/4" H (1U Space) The tight perforated pattern found in the VTF Series of Vent Panels limits viewing for aesthetics. Featuring a flanged design with a 22pct open area, these vent panels are constructed of 16-gauge steel. Standard black powder coat finish. Features: -Fine perforated pattern limits viewing for aesthetics -Flanged for extra strength -Heavy-duty 16-gauge steel construction -Black powder coat finish -22pct open area design -Choice of racking height: 1-3/4'' H (1U space), 3-1/2'' H (2U space), 5-1/4'' H (3U space), or 7'' H (4U space) Vent Panel/VTF Series Specifications