24"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 9.25"H] Powder-Coated this thermostat guard is compatible

this thermostat guard is compatible with most standard thermostat models

+ Product Details Size – 28"w X 28"h is the size for the duct opening measurement only

Crafted from durable ABS plastic

+ Product Details Size – Adjustable sizes - 1/4" - 1-1/4"

This grille enhances airflow efficiency

24"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 25.25"W x 9.25"H] Powder-Coated this thermostat guard is compatible+ Product Details Size 24"W X 8"H is (for duct opening measurement only); actual front end outer dimensions are 25. 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