Ideal for invisible, primary or supplemental comfort. Perfect for offsetting perimeter heat losses or providing primary heat to an entire space. Full line of custom panels available upon request. Unit comes standard with 48 in. of 1/2 in. flexible metal conduit and J-Box connector. Insulation - Made of 1 in., 1 lb. density, high-temperature fiberglass. Galvanized or aluminized steel housing.