10" x 10" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 2-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 13" x 13"] 1-Way Just run your finger along

Just run your finger along the edge of the top plate and you will find a smooth finished surface

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+ Product Details Size & Compatibility – The 8" round quadrant volume damper is compatible with duct 8"

+ Product Details Outer dimensions: 9

+ Product Details Size - 30"w X 10"h is the size for the duct opening measurement only

10" x 10" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 2-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 13" x 13"] 1-Way Just run your finger along+ Product Details Size Refers to duct opening only. The face frame extends roughly 1. 5" on each side. Do not measure the overall grille for sizing. Design All aluminum frame and back blades. Rustproof and built to last in moisture prone environments. Quiet Airflow Opposing blade damper design reduces vibration and noise for smoother air distribution. Clean Finish White powder coated surface resists chips, scratches, and discoloration over time. Easy