32"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 33.25"W x 9.25"H] 12-Pack from 4" to 20"

from 4" to 20"

our damper is designed to perfectly align with your setup

Measuring 6" in diameter for the duct opening

Actual Filter Size – 21 3/4"w x 35 3/4" x 1"

Suitable for both commercial and residential settings

32"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 33.25"W x 9.25"H] 12-Pack from 4" to 20"+ Product Details Size 32"W X 8"H is (for duct opening measurement only); actual front end outer dimensions are 33. 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