6" x 6" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 2-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 9" x 9"] Height_24in + Product Details Size -

+ Product Details Size - 6"w X 4"h is the size for the duct opening measurement only

This is an individual piece to customize your HVAC line set cover unit that can be used in both home and commercial settings

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

Design – Removable face for cleaning and access to damper - wooden damper for airflow shutoff control

6" x 6" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 2-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 9" x 9"] Height_24in + Product Details Size -+ Product Details Size Refers to duct opening only. The face frame extends roughly 1. 5" on each side. Do not measure the overall grille for sizing. Design All aluminum frame and back blades. Rustproof and built to last in moisture prone environments. Quiet Airflow Opposing blade damper design reduces vibration and noise for smoother air distribution. Clean Finish White powder coated surface resists chips, scratches, and discoloration over time. Easy