4" x 12" x 7" 90 Degree Oval Register Box

Features

• Easier to handle stacks neatly
• For interior wall supply and return air ducts in any commercial application
• Adaptable to round pipe
• Smoother improved airflow
• Consistent quality and size
• Dependable high quality
• 7 in hemmed collars
• Stamp lock construction providing a more air tight boot
• Galvanized steel with G-30 coating of lock forming quality per ASTM-A653 cs type b
• 28 gauge