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" Color_R-8.0 Pink Key features:

Key features:

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 20" OR 20" x 22" duct opening (measured at the opening)

+ Product Details Size - 24"w X 20"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are approximately 22 5/8" width X 36 5/8" height

Mounted with a frame and bayonet joint

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" Color_R-8.0 Pink Key features:+ 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