The Bromic Heating Low Clearance Marine Grade Recess Kit for the Platinum Smart-Heat 4500W features durable 316 stainless steel for exceptional resistance to corrosion, making it perfect for marine environments or areas with high salt exposure. Designed to fit seamlessly into as small as 10-inch ceiling cavities, this kit is ideal for both new constructions and retrofit projects. It includes a built-in fan for effective ventilation, minimizing the clearance needed for safe installation. This kit contains all necessary parts and hardware for a flush mount, ensuring your heating unit blends smoothly into your space without disrupting the aesthetic.