4" X 14" Modern Floor Register Grille With Dampers - Contempo Slotted Grate - HVAC Vent Duct Cover - Matte Black Aluminum Bar the second number represents the

the second number represents the height

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+ Product Details Size – 8"w X 36"h is the size for the duct opening measurement only

Actual Filter Size – 23 3/4"w x 33 3/4" x 1"

4" X 14" Modern Floor Register Grille With Dampers - Contempo Slotted Grate - HVAC Vent Duct Cover - Matte Black Aluminum Bar the second number represents the+Product Details Size 4"h x 14"w is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 5" width x 15. 75" height. High Quality Solid rigid steel body for durability and reliability with dampers operable by switch for airflow directional control. Installation Location Floor. Design Premium plated finish and modern contempo design forming a luxurious & impressive piece for your home. Quality Packaging