12"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 12.25"W x 7.25"H] Grille + Product Description Introducing our actual front end outer LO246 Powder Coated

+ Product Description Introducing our 6" x 12" or 12" x 6" Floor Grille - a reliable and durable air grill designed for exceptional performance and built to last

Actual Filter Size – 17 3/4"w x 17 3/4" x 1"

+ Product Details Size - 20"w X 8"h X 2"d (for duct opening measurement only)

L/H@0 FT: - 250

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 26" OR 26" x 28" duct opening (measured at the opening)

12"W X 6"H [Duct Opening] Linear Aluminum Clip On Bar Return Air Grille [Outer Dimensions: 12.25"W x 7.25"H] Grille + Product Description Introducing our actual front end outer LO246 Powder Coated + Product Description Introducing our 6" x 12" or 12" x 6" Floor Grille a reliable and durable air grill designed for exceptional performance and built to last Actual Filter Size – 17 3 4"w x 17 3 4" x 1"