4" X 25' - Round Duct Sheet Metal Pipe [5pcs 5'] 4" Diameter Featuring a multi-shutter damper with

Featuring a multi-shutter damper with an easy-access lever

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

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

larger than the same nominal size "plumbing" pipe

4" X 25' - Round Duct Sheet Metal Pipe [5pcs 5'] 4" Diameter Featuring a multi-shutter damper with4" 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