Recessed Electric Wall-Mount Heater, Light Commercial/Residential Register Style, 1800/1350/900/450, 2400/1800/1200/600 Watts, 6142/4608/3072/1536, 8190/6142/4095/2047 BtuH, Heater Voltage 208/240 V AC, Electric Heater Phase 1, Wall Opening Width 14 In., Color White, 8.7/6.5/4.3/2.2, 10.0/7.5/5.0/2.5 Amps AC, Wall Opening Depth 4-1/2 In., Wall Opening Height 6-3/4 In., Mounting Type Surface and Recessed, 60 Hz, Air Temp. Rise 181 Degrees F, Grille Material Steel, Grille Width 16 7/8 in WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)