14" x 14" [Duct Opening] Flat Plaque Aluminum Ceiling Supply Diffuser Duct Cover with Lever-Operated Damper for Air Flow Control [Outer Dimensions: 17" x 17"] Width_12in making it perfect for your

making it perfect for your range hood or ventilation fan

PLASTIC EQUIPMENT PAD: Perfect mounting base for HVAC outdoor units and other outdoor equipment

+ Product Details Perfect Fit & Easy Sizing - Designed for a 34" x 24" Or 24" x 34" duct opening (measured at the opening)

+ Product Details Size - 4"w X 28"h is the size for the duct opening measurement only

+ Product Details Size - 25"w X 26"h is the size for the duct opening measurement only

14" x 14" [Duct Opening] Flat Plaque Aluminum Ceiling Supply Diffuser Duct Cover with Lever-Operated Damper for Air Flow Control [Outer Dimensions: 17" x 17"] Width_12in making it perfect for your+ 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