From The Manufacturer
Walk-in Cooler Air Curtain, 48” L, Commercial Series Low Profile with low voltage package and mag reed switch, unheated, (1) 1/5 hp 2-speed motor, for doors up to 8’ high, This model comes standard in white with a “baked on electrostatic white powder coated aluminized steel cabinet”., for an indoor walk-in cooler, cULus, Made in USA