14"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 37.75"h] Adjustable Return our damper helps create a 4 X 12 Is CRFG2028 Width_14in

our damper helps create a well-balanced indoor environment

Actual Filter Size – 17 3/4"w x 21 3/4" x 1"

this coil exceeds the required 700 PSI for R410 with a pressure rating of 2300 to 6500 PSI

+ Product Details Size - 6"w X 30"h X 2"d (for duct opening measurement only)

Design – Premium plated finish and modern contemporary design forming a luxurious piece

14"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 15.75"w x 37.75"h] Adjustable Return our damper helps create a 4 X 12 Is CRFG2028 Width_14in our damper helps create a well balanced indoor environment Actual Filter Size – 17 3 4"w x 21 3 4" x 1"