24" X 36" or 36" X 24" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 25.75 X 37.75] Black Applications – The oval stack

Applications – The oval stack head with ears and throat are used to right-angle transition from oval pipe to sidewall grille or register

Actual Filter Size – 33 3/4"w x 7 3/4" x 1"

+ Product Details Size – 6" x 30" or 30" x 6" is the size for the duct opening measurement only

Design – Unrestricted airflow For Your HVAC system - noise free components - no vibrating louvers etc

+ Product Details Size - 36"w X 26"h is the size for the duct opening measurement only

24" X 36" or 36" X 24" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 25.75 X 37.75] Black Applications – The oval stack+ 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