Unhtd 14 In.H 48 In.W 16 In.D Steel Air Curtain, For Frame Opening Width 4 ft, Mounting Height for Temperature Control 14 ft, Overall Depth 16 in, Overall Height 14 in, Overall Width 48 in, Profile Type Standard Profile, Heated/Not Heated Not Heated, Maximum Air Velocity 4,000 fpm, Mounting Height for Insect Control 12 ft, Maximum Air Volume 2,447 cfm, Nameplate Voltage 115V AC, Air Temperature Rise Not Applicable, Sound Level @ 10 ft 70 dBA, Housing Color Silver, Phase 1, Housing Material Steel