Deep Blank Box | 10" X 10" X 12" Depth | Galvanized Steel HVAC Metal Box return grille + Product Details Size –

+ Product Details Size – 30" x 36" or 36" x 30" is the size for the duct opening measurement only

+ Product Details Size – 32" x 36" or 36" x 32" is the size for the duct opening measurement only

Premium Quality – Our galvanized ducting connector is made of high-quality galvanized sheet metal

+ Product Details Size - 26"w X 28"h is the size for the duct opening measurement only

875" width X 9

Deep Blank Box | 10" X 10" X 12" Depth | Galvanized Steel HVAC Metal Box return grille + Product Details Size –+ Product Details Durable Construction Made from galvanized steel for long lasting use and strength in HVAC applications. Deep Design Features a 12" depth, ideal for accommodating various HVAC applications. Made in the USA Proudly manufactured in the USA, ensuring quality and reliability. Easy Installation Simple, blank box design for quick and hassle free installation. + Product Description The Deep Blank Box is crafted from high quality galvanized