36"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 37.25"W x 5.25"H] Victorian Floor Registers with Dampers guaranteeing hassle-free installations and lasting

guaranteeing hassle-free installations and lasting durability

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actual front end outer dimensions are approximately 20 5/8" width X 24 5/8" height

1mm PVC coating make these vent covers a top choice for sidewall

+ Product Details Size – 10"w X 12"h is the size for the duct opening measurement only

36"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 37.25"W x 5.25"H] Victorian Floor Registers with Dampers guaranteeing hassle-free installations and lasting+ Product Details Size 36"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 37. 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