Round Metal Pipe Reducer & Increaser | 4" to 3" or 3" to 4 HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Compatible With Duct 6in actual front end outer dimensions

actual front end outer dimensions are approximately 20 5/8" width X 16 5/8" height

With a superior pressure rating ranging from 2100 to 7000 PSI

+ Product Details Size - 25"w X 25"h is the size for the duct opening measurement only

making it perfect for both residential and commercial installations

actual front end outer dimensions are approximately 42 5/8" width X 12 5/8" height -

Round Metal Pipe Reducer & Increaser | 4" to 3" or 3" to 4 HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Compatible With Duct 6in actual front end outer dimensions+ Product Details Size & Compatibilty The 4" to 3" round metal pipe reducer & increaser 30 gauge is compatible with duct 4" to 3". 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