40" x 16" Aluminum Spiral Duct Air Vent Grille Cover - Fully Adjustable Double Deflection HVAC Air Supply [Outer Dimensions: 42w X 18"h] Aluminum actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in

actual front end outer dimensions are approximately 42 5/8" width X 22 5/8" height -

2 recessed screw holes on each side with screws included

+ Product Details Size - 24"w X 32"h is the size for the duct opening measurement only

+ Product Details Size - 25"w X 34"h is the size for the duct opening measurement only

Actual Filter Size – 19 3/4"w x 21 3/4" x 1"

40" x 16" Aluminum Spiral Duct Air Vent Grille Cover Fully Adjustable Double Deflection HVAC Air Supply [Outer Dimensions: 42w X 18"h] Aluminum actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in actual front end outer dimensions are approximately 42 5 8" width X 22 5 8" height 2 recessed screw holes on each side with screws included