HVAC Premium Round to Oval Elbow Boot | Galvanized Sheet Metal Oval to Round 90-Degree Boot | 7" Oval to Round Elbow Fitting is Compatible with Duct 7" Round Stack Boot + Product Details Size - 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size - 18"w X 34"h is the size for the duct opening measurement only

+ Product Details Size - 26"w X 32"h X 2"d (for duct opening measurement only)

Actual Filter Size – 7 3/4"w x 5 3/4" x 1"

actual front end outer dimensions are approximately 32 5/8" width X 18 5/8" height

and 2 smaller loop pockets for versatile tool storage

HVAC Premium Round to Oval Elbow Boot Galvanized Sheet Metal Oval to Round 90 Degree Boot 7" Oval to Round Elbow Fitting is Compatible with Duct 7" Round Stack Boot + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 18"w X 34"h is the size for the duct opening measurement only + Product Details Size 26"w X 32"h X 2"d (for duct opening measurement only)