VT1 Panel Height: 1 3/4" H (1U Space) With the highest percentage of open area found on any of our Vent Panels (68pct), all VT Series products are made from 16-gauge perforated steel, and are flanged for extra strength. Standard black powder coat finish. Features: -16-gauge perforated steel construction -68pct open area design -Flanged for extra strength -Durable black powder coat finish -Choice of racking height: 1-3/4'' (1U space), 3-1/2'' (2U space), 5-1/4'' (3U space), or 7'' (4U space) Vent Panel/VT Series Specifications