24" X 36" or 36" X 24" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 25.75 X 37.75] w16h16 also referred to as T-Bar

also referred to as T-Bar or Lay-in system

and Centralized Air Ducted Units

Ideal for Walls & Ceilings: Designed for seamless installation in standard 24" X 8" duct openings

It features an eight-tumbler lock with a supplied key for secure access

+ Product Description Introducing our 4" x 12" or 12" x 4" Floor Grille - a reliable and durable air grill designed for exceptional performance and built to last

24" X 36" or 36" X 24" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 25.75 X 37.75] w16h16 also referred to as T-Bar+ Product Details Size 24"w X 36"h or 36" X 24" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 75" width X 37. 75" height. High Quality High grade steel construction meant for high foot traffic areas. Installation Location Floor. Design Easy drop in installation. Powder Coat Finish Smooth, shiny, scratch resistant, with no sharp edges. Looks like it was just waxed. Quality Packaging Carefully