6" X 25' - Round Duct Sheet Metal Pipe [5pcs 5'] Blade and the Tank Cover is

and the Tank Cover is also made of High Quality Flame Retardant Metal

+ Product Details Size – 30"w X 22"h is the size for the duct opening measurement only

} + Product Details Size & Compatibility - The size of a boot register end is 12" X 4" X 6" galvanized floor boot end center 26-gauge

and hardware included for a precise installation and wall mounting - Can be adjusted with expansion bolts to fit the exact measurement of your air conditioning unit - L-shaped brackets are foldable for any degree tilt between 0 & 180 degrees (slight rearward tilt recommended to ensure safety)

6" X 25' - Round Duct Sheet Metal Pipe [5pcs 5'] Blade and the Tank Cover is6" X 25' Round Duct Sheet Metal Pipe 5 PACK of 5' pipes 30 Gauge Galvanized Crimped End Connection 5 IN A PACK 6 Inch Diameter Pipe 25 Foot Length When Connected 30 Gauge Thick & Made of Thick & Durable Galvanized Sheet Metal Used For HVAC System Duct Work In Any Building or Home HIGH QUALITY High Quality Galvanized Sheet Metal with Crimped Ends (Snap Lock Design) For Easy Fitting and Secure Connection To Consecutive Duct Joints Made of Galvanized