Unhtd 7.5 In.H 42 In.W 6.8 In.D Steel Air Curtain, For Frame Opening Width 3 1/2 ft, Mounting Height for Temperature Control 8 ft, Overall Depth 6 3/4 in, Overall Height 7 3/8 in, Overall Width 42 in, Profile Type Low Profile, Heated/Not Heated Not Heated, Maximum Air Velocity 1,800 fpm, Mounting Height for Insect Control 8 ft, Maximum Air Volume 1,200 cfm, Nameplate Voltage 120V AC, Air Temperature Rise Not Applicable, Sound Level @ 10 ft 66 dBA, Housing Color Light Tan, Phase 1