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...