4" X 25' - Round Duct Sheet Metal Pipe [5pcs 5'] 4" Diameter + Product Details Size –

+ Product Details Size – 26" x 26" is the size for the duct opening measurement only

larger than the same nominal size "plumbing" pipe

Its generous size and universal design ensure a perfect fit for a wide range of thermostat models

providing ample tool capacity

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4" X 25' - Round Duct Sheet Metal Pipe [5pcs 5'] 4" Diameter + 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