10" x 3" Decorative Wood Supply Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction - [Outer Dimensions: 12w X 5"h] w30h30 actual front end outer dimensions

actual front end outer dimensions are approximately 32 5/8" width X 26 5/8" height -

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actual front end outer dimensions are approximately 36 5/8" width X 12 5/8" height

And Meets/Beats ASTM B280 Standard

Actual Filter Size – 23 3/4"w x 31 3/4" x 1"

10" x 3" Decorative Wood Supply Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction - [Outer Dimensions: 12w X 5"h] w30h30 actual front end outer dimensions10"w X 3"h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 12" Width X 5" Height SEE IN DESCRIPTION HOW TO MEASURE A GRILLE Slim Sliding Metal Damper To Control and Adjust Airflow Slots Are Angled to Diversify The Airflow In 2 Way Direction Great for Wall and Floor & ceiling Applications Roundover Beveled Edges Polished Pre Finish Gloss Varnish Ready To Install Can Also Be Sanded And Re finished According To