Round Metal Pipe Reducer & Increaser | 8" to 7" HVAC Duct Reducer or Increaser 30g Gauge | Galvanized Sheet Metal Ducting Connector is Compatible with Duct 7" Aluminum - Cube Core + Product Details Perfect Fit 4 X 12 Is CRFG2028 Width_14in

+ Product Details Perfect Fit & Easy Sizing - Designed for a 32" x 12" OR 12" x 32" duct opening (measured at the opening)

Actual Filter Size – 19 3/4"w x 9 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 10" OR 10" X 18" duct opening (measured at the opening)

catering to every application

+ Product Details Size & Compatibility – The size of the side round ceiling box is 8" X 8" X 6" and it is compatible with duct 6"

Round Metal Pipe Reducer & Increaser 8" to 7" HVAC Duct Reducer or Increaser 30g Gauge Galvanized Sheet Metal Ducting Connector is Compatible with Duct 7" Aluminum Cube Core + Product Details Perfect Fit 4 X 12 Is CRFG2028 Width_14in + Product Details Perfect Fit & Easy Sizing Designed for a 32" x 12" OR 12" x 32" duct opening (measured at the opening) Actual Filter Size – 19 3 4"w x 9 3 4" x 1"