Round Metal Pipe Reducer & Increaser | 6" to 4" HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 4" 14" Diameter Unlike traditional doors that have

Unlike traditional doors that have visible frames and hinges

designed to distribute air evenly throughout your space

+ Product Details Size – 20"w X 40"h is the size for the duct opening measurement only

R value rating of insulation - r3

Round Metal Pipe Reducer & Increaser | 6" to 4" HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 4" 14" Diameter Unlike traditional doors that have+ Product Details Size & Compatibilty The 6" to 4" round metal pipe reducer & increaser 30 gauge is compatible with duct 6" to 4". Made in the USA Premium Quality Our galvanized ducting connector is made of high quality galvanized sheet metal. Applications Reducers transition ducts from larger to smaller sizes and ensure smooth, continuous airflow. + Product Description The HVAC Premium Round Metal Pipe Reducer & Increaser is crafted from high quality