36"W X 25"H (Duct Opening) Return Air Steel Vent Grille - HVAC Vent Duct Cover Diffuser - (Outer Dimensions: 37.75"W X 26.75"H) Compatible With Duct 10in height: auto

height: auto

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 34" or 34" x 12" duct opening (measured at the opening)

Design – This airflow control component are made to connect to HVAC diffuser and restrict airflow

actual front end outer dimensions are approximately 30 5/8" width X 28 5/8" height

+ Product Details Size – Duct end cap is 12" X 10" | 26-gauge galvanized steel end cap

36"W X 25"H (Duct Opening) Return Air Steel Vent Grille - HVAC Vent Duct Cover Diffuser - (Outer Dimensions: 37.75"W X 26.75"H) Compatible With Duct 10in height: auto+ Product Details Size 36"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 37. 75" width X 26. 75" height. Design Easy unrestricted airflow for your HVAC system 50 angled to provide maximum airflow. High Quality Solid stamped steel with counter sunk screw holes (screws included) and no sharp edges. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was just