Heated 8 In.H 36 In.W 12 In.D Steel Air Curtain, For Frame Opening Width 3 ft, Mounting Height for Temperature Control 8 ft, Overall Depth 12 in, Overall Height 8 in, Overall Width 36 in, Profile Type Low Profile, Heated/Not Heated Heated, Maximum Air Velocity 1,800 fpm, Mounting Height for Insect Control 7 ft, Maximum Air Volume 900 cfm, Nameplate Voltage 230V AC, Air Temperature Rise 36 Degrees F, Sound Level @ 10 ft 49 dBA, Housing Color Black, Phase 1, Housing Material Steel