Round Metal Pipe Reducer & Increaser | 20" to 18" HVAC Duct Reducer or Increaser 26g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 18" Material_Anodized Aluminum actual front end outer dimensions

actual front end outer dimensions are 19

Thickest Vent Covers – Our magnetic vent covers are optimal at 1

+ Product Details Size – 24" x 34" or 34" x 24" is the size for the duct opening measurement only

+ Product Details Size - 36"w X 6"h X 2"d (for duct opening measurement only)

3-cone supply grille

Round Metal Pipe Reducer & Increaser | 20" to 18" HVAC Duct Reducer or Increaser 26g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 18" Material_Anodized Aluminum actual front end outer dimensions+ Product Details Size & Compatibilty The 20" to 18" round metal pipe reducer & increaser 30 gauge is compatible with duct 20" to 18". 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