Round Metal Pipe Reducer & Increaser | 7" to 4" HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 4" 4in diameter rated at R3 4 X 12 Is CRFG2028 Width_14in

rated at R3

This thoughtful design ensures optimal air circulation for your HVAC system

actual front end outer dimensions are approximately 16 5/8" width X 14 5/8" height

+ Product Details Size & Compatibilty - The 12" to 7" round metal pipe reducer & increaser 30 gauge is compatible with duct 12" to 7"

sized to fit into all drop ceiling system

Round Metal Pipe Reducer & Increaser 7" to 4" HVAC Duct Reducer or Increaser 30g Gauge Galvanized Sheet Metal Ducting Connector is Compatible with Duct 4" 4in diameter rated at R3 4 X 12 Is CRFG2028 Width_14in rated at R3 This thoughtful design ensures optimal air circulation for your HVAC system