16"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 17.25"W x 5.25"H] Width_22in Actual Filter Size – 23

Actual Filter Size – 23 3/4"w x 27 3/4" x 1"

+ Product Details Size – The size of 5" straight saddle stick on take-off is 7"/10" and it is compatible with duct 5"

+ Product Details Size – 6" x 18" or 18" x 6" is the size for the duct opening measurement only

+ Product Details Size - 32"w X 14"h is the size for the duct opening measurement only

+ Product Details Size – 34"w X 8"h is the size for the duct opening measurement only

16"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 17.25"W x 5.25"H] Width_22in Actual Filter Size – 23+ Product Details Size 16"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 17. 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