40"W X 20"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 41.875"W X 21.875"H] Color_Aluminum + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 36" x 30" OR 30" x 36" duct opening (measured at the opening)

Energy Efficient – Air-tight inner core decreases the pressure loss and provides a more hygienic environment - high energy efficient / No fiberglass erosion into air stream

Solid Rigid Steel Body For Durability and Reliability

+ Product Details Size - 14"w X 8"h X 2"d (for duct opening measurement only)

High Quality – high quality solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

40"W X 20"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 41.875"W X 21.875"H] Color_Aluminum + Product Details Perfect Fit+ Product Details Size 40"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 41. 875" width X 21. 875" height. High Quality High quality aluminum with counter sunk screw holes (screws included) and no sharp edges. Design Unrestricted airflow For Your HVAC system noise free components no vibrating louvers etc. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was