36"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 37.25"W x 9.25"H] Floor Register / Modern Victorian + Product Details Size -

+ Product Details Size - 6"w X 22"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 27 5/8" width X 16 5/8" height

this specific model incorporates an extra layer of felt to effectively dampen sound

Operating temperature from -40°f to +248°f [-40°c to +120°c]

36"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 37.25"W x 9.25"H] Floor Register / Modern Victorian + Product Details Size -+ Product Details Size 36"W X 8"H is (for duct opening measurement only); actual front end outer dimensions are 37. 25" Width X 9. 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