30"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 17.75"h] Fixed Blades + Product Details Perfect Fit w34h34 Product Description Introducing our LO612

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 26" OR 26" x 24" duct opening (measured at the opening)

Powder-Coat Finish – Never rust

Say goodbye to vibrating louvers - this grille ensures a quiet

+ Product Details Size - 20"w X 18"h is the size for the duct opening measurement only

+ Product Details Size – 20" x 20" is the size for the duct opening measurement only

30"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 31.75"w x 17.75"h] Fixed Blades + Product Details Perfect Fit w34h34 Product Description Introducing our LO612 + Product Details Perfect Fit & Easy Sizing Designed for a 24" x 26" OR 26" x 24" duct opening (measured at the opening) Powder Coat Finish – Never rust