12" x 12" [Duct Opening] Flat Plaque Aluminum Ceiling Supply Diffuser Duct Cover with Lever-Operated Damper for Air Flow Control [Outer Dimensions: 15" x 15"] Floor Grille Toe Space and refrigeration application projects in

and refrigeration application projects in both residential and commercial systems

a 1/4" HVAC fitting

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 20" or 20" x 8" duct opening (measured at the opening)

+ Product Details Size & Compatibility – The size of sheet metal pipe is 14" round x 24" long

+ Product Details Size – 12" x 32" or 32" x 12" is the size for the duct opening measurement only

12" x 12" [Duct Opening] Flat Plaque Aluminum Ceiling Supply Diffuser Duct Cover with Lever-Operated Damper for Air Flow Control [Outer Dimensions: 15" x 15"] Floor Grille Toe Space and refrigeration application projects in+ 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