14" x 2" Decorative Wood Supply Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction - [Outer Dimensions: 16w X 4"h] with filter Filter Size - 17

Filter Size - 17

+ Product Details Size - 16"w X 20"h is the size for the duct opening measurement only

6" x 6" - 4-Way Curved Blade Supply Air Grille - Maximum Air Flow - HVAC Vent Cover

+ Product Details Size - 8" Diameter is the size for the duct opening measurement only

+ Product Details Size – 8" round duct opening

14" x 2" Decorative Wood Supply Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction - [Outer Dimensions: 16w X 4"h] with filter Filter Size - 1714"w X 2"h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 16" Width X 4" 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