AIR TIGHT & IC RATED. Airtight (Per ASTM-E283). Quick connect provided. It’s thermally protected and designed to be installed in the ceiling surrounded by insulation. UL CERTIFIED. UL fire ratings up to 2 hours. For use in insulated ceilings and non-insulated ceilings. For use only with UL or CUL Classified LED Retrofit kit suitable for 4 inches recessed housing. GALVANIZED STEEL CONSTRUCTION. The housing can be removed from plaster frame to provide access to the junction box and has 13-5/8" to 25" Bar hangers with captive nails and alignment foot. SIMPLE INSTALL. Follow our easy instruction guide for a fast and secure setup! WIDELY APPLICATION. It helps to achieve the perfect fit in different types of structure layouts. Ideal for both residential and commercial new construction projects 4 Inch LED Fire Rated Housing New Construction Recessed Can, UL Fire Ratings Up to 2 Hours, Airtight, Insulated and Non Insulated Ceilings