Unhtd 8 In.H 72 In.W 9 In.D Steel Air Curtain, For Frame Opening Width 6 ft, Mounting Height for Temperature Control 7 ft, Overall Depth 9 in, Overall Height 8 in, Overall Width 72 in, Profile Type Low Profile, Heated/Not Heated Not Heated, Maximum Air Velocity 1,800 fpm, Mounting Height for Insect Control 7 ft, Maximum Air Volume 1,800 cfm, Nameplate Voltage 208/230V AC, Air Temperature Rise Not Applicable, Sound Level @ 10 ft 53 dBA, Housing Color Black, Phase 1, Housing Material Steel