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 + Product Details Perfect Fit Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Perfect Fit & Easy Sizing - Designed for a 34" x 32" Or 32" x 34" duct opening (measured at the opening)

sized to fit into all drop ceiling system

+ Product Details Size - 22"w X 24"h is the size for the duct opening measurement only

SAVE MONEY ON YOUR BILL - PRESERVE YOUR HVAC UNIT - Highest Rate Of Air Flow Efficiency - Easy Unrestricted Air Flow For Your HVAC System - 1/2" x 1/2" x 1/2" Cube Core - Offers 90% Free Area

This thoughtful design ensures optimal air circulation for your HVAC 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 + Product Details Perfect Fit Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Perfect Fit & Easy Sizing Designed for a 34" x 32" Or 32" x 34" duct opening (measured at the opening) sized to fit into all drop ceiling system