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 + Product Details Size &

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 12" X 6" X 7"

Design – It has the main role in HVAC ducting system

you can cut or trim your vent cover to more precisely fit your air vent

Actual Filter Size – 29 3/4"w x 25 3/4" x 1"

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

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 + 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