8"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 9.25"W x 7.25"H] Flat Elbow Transition˚ Technical Specifications – Voltage: 230V

Technical Specifications – Voltage: 230V AC 50-60Hz

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 30" OR 30" x 20" duct opening (measured at the opening)

+ Product Details Size - 40"w X 16"h is the size for the duct opening measurement only

Applications – The oval stack head with ears and throat are used to right-angle transition from oval pipe to sidewall grille or register

the actual front end outer dimensions are 7" in diameter

8"W X 6"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 9.25"W x 7.25"H] Flat Elbow Transition˚ Technical Specifications – Voltage: 230V+ Product Details Size 8"W X 6"H is (for duct opening measurement only); actual front end outer dimensions are 9. 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