6" x 6" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 4-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 9" x 9"] d actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
actual front end outer dimensions are 45
Rule of Thumb: "HVAC" nominal tube sizing 1/8
Features Wide flange for additional mounting surface coverage
providing unparalleled strength and reliability
Do not measure the overall grille for sizing
6" x 6" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 4 Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 9" x 9"] d actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in actual front end outer dimensions are 45 Rule of Thumb: "HVAC" nominal tube sizing 1 8