The Metal Shop Product Features:
The Metal Shop 003506 - Coffin Box, 46" X 22" X 19".
For the finished look of a true professional installation, Consider using a Our 24 Ga. Galvanized Steel "Coffin Box" - Use this for your next replacement job!
Contractor cuts proper size openings for the return and supply.
Lined with R-6 Anti-Microbial Fiberglass.