8" x 8" 2-WAY ALUMINUM BAR CEILING DIFFUSER - Vent Duct Cover - With Opposing Dampers via Lever Control Insulated Line /* Adding space between bullet

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high-impact plastic to provide reliable and long-lasting protection for your thermostat

Ideal for Walls & Ceilings: Designed for seamless installation in standard 14" X 10" duct openings

Actual Filter Size – 27 3/4"w x 25 3/4" x 1"

actual front end outer dimensions are approximately 7

8" x 8" 2-WAY ALUMINUM BAR CEILING DIFFUSER - Vent Duct Cover - With Opposing Dampers via Lever Control Insulated Line /* Adding space between bullet+ Product Details Size 8" X 8" is the size for the duct opening measurement only, actual front end outer dimensions are 3". Design Equipped with lever for full airflow control; back blades made of black plastic for reduced air noise and discreet appearance; "Opposing" back blades, ensuring they don't overlap, provide precise damper control and superior air dispersion. High Quality Aluminum The premium durable aluminum will never rust and it will never