12" x 12" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 3-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 15" x 15"] w24h24 Enjoy efficient airflow

Enjoy efficient airflow

+ Product Description Introducing our 12" x 30" or 30" x 12" Floor Grille - a reliable and durable air grill designed for exceptional performance and built to last

actual front end outer dimensions are approximately 34 5/8" width X 32 5/8" height

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+ Product Details Size - 20"w X 20"h Is The Size For The Duct Opening Only

12" x 12" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 3-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 15" x 15"] w24h24 Enjoy efficient airflow+ 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