Unhtd 10.7 In.H 42 In.W 13 In.D Steel Air Curtain, For Frame Opening Width 3 1/2 ft, Mounting Height for Temperature Control 12 ft, Overall Depth 13 in, Overall Height 10 5/8 in, Overall Width 42 in, Profile Type Standard Profile, Heated/Not Heated Not Heated, Maximum Air Velocity 4,865 fpm, Mounting Height for Insect Control 10 ft, Maximum Air Volume 1,418 cfm, Nameplate Voltage 115V AC, Air Temperature Rise Not Applicable, Sound Level @ 10 ft 66 dBA, Housing Color Black, Phase 1