154 Features: -Ceiling heater. -Surface-mount for quick, easy installation. -Permanently lubricated motor. -Mounts easily to any standard 3.5" or 4" round, or 4" octagonal ceiling electrical box. -Open wire element. -Chrome alloy wire element for instant heat. Material: -Aluminum. Hardware Material: -Stainless Steel. Amperage: -10.7 Amps. Plug Type: -Hardwired. Generic Specifications: -1250W @ 120VAC. Dimensions: Overall Height - Top to Bottom: -2.75". Overall Width - Side to Side: -11". Overall Depth - Front to Back: -11". Overall Product Weight: -3 lbs. Grille Height: -1.75". Grille Width: -9.81".Broan-Nutone Llc