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 + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 20" OR 20" x 24" duct opening (measured at the opening)

This is an individual piece to customize your HVAC line set cover unit that can be used in both home and commercial settings

+ Product Details Size – 16" round duct sheet metal elbow - 30 gauge galvanized - crimped end connection - adjustable from 5° - 90°

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

75" Width X 31

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 + Product Details Perfect Fit+ 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