Product Highlights Plaster Frame: 0.035 steel frame with integral bar hanger brackets. Brackets can accommodate longer 27" accessory flat bar hangers. Shipping screw installed to provide extra security for transformer during shipment - remove before installation. Housing: 0.035 white baked enamel one-piece drawn steel. Adjustable for ceiling thickness up to 1-3/8" Air Flow Restriction: Air tight (AT) housings have factory installed gaskets to restrict airflow from room into ceiling plenum to <2CFM (cubic feet per minute) in accordance with ASTM-283 Air-Tight requirements. Bar Hangers: Two 13-3/4" to 24-1/2" adjustable bar hangers with captive nails are included on frame. Bar hangers are parallel to junction box, but can be repositioned 90º perpendicular to junction box if desired. "L" Shaped bar hanger foot to align to bottom of construction joist. A T-Bar notch allow for easy installation in a suspended ceiling. Specifications Manufacturer Nora SKU NLIC-601 Regulations cULus Listed Input Voltage 110/120V AC Output Voltage 12V AC All trim types are available including baffle, alzac, wall wash, adjustable "eyeball", wet location and airtight rated trims. Call 1-800-480-0707 or email firstname.lastname@example.org to choose popular trim colors including bronze, metallic, white, black or custom color options.