4" X 12" Modern Floor Register Grille With Dampers - Contempo Slotted Grate - HVAC Vent Duct Cover - Polished Brass fixed bar Actual Filter Size – 21

Actual Filter Size – 21 3/4"w x 19 3/4" x 1"

During summer

actual front end outer dimensions are approximately 18 5/8" width X 34 5/8" height

Total outer size of this grille is

+ Product Details Size - 30"w X 18"h is the size for the duct opening measurement only

4" X 12" Modern Floor Register Grille With Dampers - Contempo Slotted Grate - HVAC Vent Duct Cover - Polished Brass fixed bar Actual Filter Size – 21+Product Details Size 4"h x 12"w is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 5" width x 13. 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