Unhtd 11 In.H 48 In.W 18.2 In.D Steel Air Curtain For Frame Opening Width 4 ft Mounting Height for Temperature Control 10 ft Overall Depth 18 1/8 in Overall Height 10 5/8 in Overall Width 48 in Profile Type Low Profile Heated/Not Heated Not Heated Maximum Air Velocity 1 730 fpm Mounting Height for Insect Control 8 ft Maximum Air Volume 1 442 cfm Nameplate Voltage 115V AC Air Temperature Rise Not Applicable Sound Level @ 10 ft 66 dBA Housing Color Black Phase 1