12" x 8" Decorative Wood Supply Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction - [Outer Dimensions: 14w X 10"h] 18" Diameter Actual Filter Size – 27

Actual Filter Size – 27 3/4"w x 23 3/4" x 1"

actual front end outer dimensions are approximately 10 5/8" width X 10 5/8" height

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

Whether installed on a sidewall or ceiling

12" x 8" Decorative Wood Supply Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction - [Outer Dimensions: 14w X 10"h] 18" Diameter Actual Filter Size – 2712"w X 8"h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 14" Width X 10" 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