44"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 45.25"W x 5.25"H] 18" Diameter + Product Details Size –

+ Product Details Size – 30"w X 10"h pleated MERV 8 filter for HVAC return filter grille - 3 Pack

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High Quality – High quality ABS plastic will never rust

Most common access door

44"W X 4"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 45.25"W x 5.25"H] 18" Diameter + Product Details Size –+ Product Details Size 44"W X 4"H is (for duct opening measurement only); actual front end outer dimensions are 45. 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