4" X 25' - Round Duct Sheet Metal Pipe [5pcs 5'] 2-Way Deflection + Product Details Size -

+ Product Details Size - 20"w X 16"h is the size for the duct opening measurement only

making it a reliable choice for improving indoor air quality

High Quality: Hard

Working Accordion + Product Details Size & Compatibility - The size of a boot register end is 12" X 6" X 7" galvanized floor boot end center 26-gauge

+ Product Details Size – 8" x 14" or 14" x 8" is the size for the duct opening measurement only

4" X 25' - Round Duct Sheet Metal Pipe [5pcs 5'] 2-Way Deflection + Product Details Size -4" X 25' Round Duct Sheet Metal Pipe 5 PACK of 5' pipes 30 Gauge Galvanized Crimped End Connection 5 IN A PACK 4 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