16"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 17.25"W x 5.25"H] Rectangular Duct Caps + Product Details Size –

+ Product Details Size – 18"w X 10"h is the size for the duct opening measurement only

+ Product Details Size - 18"w X 14"h is the size for the duct opening measurement only

Experience hassle-free installation and full adjustability for optimal airflow

75" width X 7

Easy clean Healthy air flow for your HVAC system - noise free components

16"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 17.25"W x 5.25"H] Rectangular Duct Caps + Product Details Size –+ Product Details Size 16"W X 6"H is (for duct opening measurement only); actual front end outer dimensions are 17. 25" Width X 7. 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