40"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 41.25"W x 5.25"H] Return Grille Design – Removable door/face for

Design – Removable door/face for easy filter change & cleaning - uses a 1" thick filter

+ Product Description Upgrade your HVAC system with a high-quality aluminum return grille designed for a clean

accordion-item')

Built to Last Crafted from tough 1680D polyester

40"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 41.25"W x 5.25"H] Return Grille Design – Removable door/face for+ Product Details Size 40"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 41. 25" Width X 5. 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