6"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Black [Outer Dimensions 7.75"w x 7.75"h] w14h14 these pipes offer easy handling

these pipes offer easy handling

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 12" OR 12" X 18" duct opening (measured at the opening)

The vent also has a bug screen to eliminate pest intrusion

Ideal for Walls & Ceilings: Designed for seamless installation in standard 14" X 8" duct openings

Installation Location – Wall or door mount - door thickness up to 32mm - anodised finish - smooth & beautiful

6"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Black [Outer Dimensions 7.75"w x 7.75"h] w14h14 these pipes offer easy handling+ Product Details Size 6"w X 6"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 7. 75" Width X 7. 75" Height Weather and Pest Proof These louvers are especially designed to prevent water from entering your home, and with a built in back 1 2" mesh they also protect you from annoying rodents like mice, rats, birds, and squirrels High Quality Aluminum The premium durable aluminum will never rust and it will never wear