6" x 6" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 3-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 9" x 9"] Height_30in Enhanced Filtration: Our filters are

Enhanced Filtration: Our filters are 25% thicker than competitors'

Design – It has the main role in HVAC ducting system

+ Product Details Size – 6" x 30" or 30" x 6" is the size for the duct opening measurement only

This fantastic access door covers wire panels

6" x 6" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 3-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 9" x 9"] Height_30in Enhanced Filtration: Our filters are+ 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