34"w X 8"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 9.75"h] Insulated Line Set 100% Satisfaction Guaranteed 4 X 12 Is CRFG2028 Width_14in

100% Satisfaction Guaranteed

+ Product Details Size - 36"w X 30"h X 2"d (for duct opening measurement only)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 18" OR 18" x 24" duct opening (measured at the opening)

actual front end outer dimensions are approximately 34 5/8" width X 28 5/8" height

Insulation density is 30kgs/cbm = 0

34"w X 8"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 35.75"w x 9.75"h] Insulated Line Set 100% Satisfaction Guaranteed 4 X 12 Is CRFG2028 Width_14in 100% Satisfaction Guaranteed + Product Details Size 36"w X 30"h X 2"d (for duct opening measurement only)