Round Metal Pipe Reducer & Increaser | 9" to 8" HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 8" Compatible with Duct 4" This pure copper tube is Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

This pure copper tube is not insulated

actual front end outer dimensions are approximately 18 5/8" width X 14 5/8" height -

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

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 12" or 12" x 14" duct opening (measured at the opening)

actual front end outer dimensions are approximately 16 5/8" width X 36 5/8" height

Round Metal Pipe Reducer & Increaser 9" to 8" HVAC Duct Reducer or Increaser 30g Gauge Galvanized Sheet Metal Ducting Connector is Compatible with Duct 8" Compatible with Duct 4" This pure copper tube is Compatible With Duct 7in Applications This sheet metal DDAG A 1212 This pure copper tube is not insulated actual front end outer dimensions are approximately 18 5 8" width X 14 5 8" height