Round Metal Pipe Reducer & Increaser | 8" to 4" HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 4" Fixed Blades with Damper this product is a testament

this product is a testament to durability and ease of use

actual front end outer dimensions are approximately 10 5/8" width X 28 5/8" height

+ Product Details Size – Sheet metal duct board take off start collar is 16" and it is compatible with duct 16"

3-cone supply grille

Round Metal Pipe Reducer & Increaser | 8" to 4" HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 4" Fixed Blades with Damper this product is a testament+ Product Details Size & Compatibilty The 8" to 4" round metal pipe reducer & increaser 30 gauge is compatible with duct 8" 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