20"W X 40"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 21.875"W X 41.875"H] 8" Diameter This versatile solution enhances air

This versatile solution enhances air supply and adds a touch of class to your space

Smooth powder-coated white finish for a sleek look and scratch resistance

Upgrade your air distribution strategy today – invest in the efficiency and convenience of the 8" Radial Damper

+ Product Details Size – 16" x 36" or 36" x 16" is the size for the duct opening measurement only

20"W X 40"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 21.875"W X 41.875"H] 8" Diameter This versatile solution enhances air+ Product Details Size 20"w X 40"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 875" width X 41. 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