8" x 8" [Duct Opening] Flat Plaque Aluminum Ceiling Supply Diffuser Duct Cover with Lever-Operated Damper for Air Flow Control [Outer Dimensions: 11" x 11"] Color_R-4.2 Yellow + Product Details Size -

+ Product Details Size - 16"w X 22"h X 2"d (for duct opening measurement only)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 32" OR 32" x 28" duct opening (measured at the opening)

Applications – The galvanized steel round takes off duct is used to cut into a plenum or rectangular duct to begin a trunk line or branch-like runs

+ Product Details Size & Compatibility – The 6" galvanized sheet metal round to oval end boot is compatible with duct 6"

actual front end outer dimensions are approximately 18 5/8" width X 12 5/8" height -

8" x 8" [Duct Opening] Flat Plaque Aluminum Ceiling Supply Diffuser Duct Cover with Lever-Operated Damper for Air Flow Control [Outer Dimensions: 11" x 11"] Color_R-4.2 Yellow + 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