28"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 29.25"W x 5.25"H] Drop Ceilings / Steel For 10" Round Duct Opening

For 10" Round Duct Opening - Spiral or Flex

actual front end outer dimensions are approximately 26 5/8" width X 14 5/8" height

Unlike other covers

+ Product Details Size - 8"w X 16"h is the size for the duct opening measurement only

28"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 29.25"W x 5.25"H] Drop Ceilings / Steel For 10" Round Duct Opening+ Product Details Size 28"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 29. 25" Width X 5. 25" Height. Design Designed for concealed, flush placement on your wall with a 3 8 inch space between louvers, this linear grille comes with an installation frame and clips for easy hook in assembly, ensuring a refined and seamless look. High Quality Aluminum The premium durable aluminum will never rust and it will never