Round Metal Pipe Reducer & Increaser | 10" to 9" HVAC Duct Reducer or Increaser 26g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 9" End Register Duct Boots actual front end outer dimensions CRFG2028 Width_14in 4 X 12 Is

actual front end outer dimensions are approximately 14 5/8" width X 28 5/8" height

Verify that the surface is stable and level to prevent vibrations and noise

with actual outer dimensions of 14

The premium durable material guarantees that they will never rust or wear through

+ Product Details Size – 8"w X 36"h is the size for the duct opening measurement only

Round Metal Pipe Reducer & Increaser 10" to 9" HVAC Duct Reducer or Increaser 26g Gauge Galvanized Sheet Metal Ducting Connector is Compatible with Duct 9" End Register Duct Boots actual front end outer dimensions CRFG2028 Width_14in 4 X 12 Is actual front end outer dimensions are approximately 14 5 8" width X 28 5 8" height Verify that the surface is stable and level to prevent vibrations and noise