The Crown Products 1780OS1064 is a robust insulated register box designed to optimize your HVAC system's efficiency. Manufactured from durable 30-gauge galvanized steel and enhanced with fiberglass insulation, this register box maintains an R-8 thermal resistance.
Features a black interior for a cleaner look.
Constructed with solid corners to ensure long-term durability.
Includes a pre-installed 1/2 inch drywall flange for easy installation.