Recessed Electric Wall-Mount Heater, Commercial/Industrial, 1000 Watts, 3413 BtuH, Heater Voltage 120 V AC, Electric Heater Phase 1, Wall Opening Width 9-1/2 In., Color White, 8.3 Amps AC, Wall Opening Depth 3-3/4 In., Wall Opening Height 11-1/4 In., Mounting Type Recessed, 60 Hz, Air Temp. Rise 40 Degrees F, Grille Material Steel, Grille Width 10 3/8 in, Grille Depth 1 in, Grille Height 12 1/2 in, Housing Width 9 1/2 in, Housing Depth 3 3/4 in, Housing Height 11 1/4 in