FEB2 Panel Height 3 1/2" H (2U space ) Features Country of Manufacture -United States Dimensions Panel Height 1 3/4" H (1 U space) - Overall Height - Top to Bottom -1 75" Panel Height 3 1/2" H (2U space ) - Overall Height - Top to Bottom -3 5" Panel Height 5 1/4" H (3U space) - Overall Height - Top to Bottom -5 25" Panel Height 10 5" H (6U space) - Overall Height - Top to Bottom -10 5"