4" X 12" Modern Victorian Floor Register Grille With Dampers - Decorative Grate - HVAC Vent Duct Cover - Antique Brass Compatible with Duct 10" Actual Filter Size – 7

Actual Filter Size – 7 3/4"w x 29 3/4" x 1"

very easy to do

+ Product Details Size – 18"w X 34"h is the size for the duct opening measurement only

Design – The stack boot at the bottom of the stack allows a transition from an ordinary large round or rectangular duct to a thin wall-mounted duct

Filter Size - 15

4" X 12" Modern Victorian Floor Register Grille With Dampers - Decorative Grate - HVAC Vent Duct Cover - Antique Brass Compatible with Duct 10" Actual Filter Size – 74" X 12" Is The Size For The Duct Opening (floor vent hole) Measurement Only, Actual Front End Outer Dimensions Are 5. 5" X 13. 5" SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE Solid Rigid Steel Body For Durability and Reliability With Dampers Operate able by Switch For Airflow Directional Control Premium Plated Finish and Modern Contempo Design Forming a Luxurious & Impressive Piece For Your Home Quality Packaging Carefully Shrink Wrapped With