The top-of-the-line return air grille is bar-type. And the best bar-type return air grille is made of aluminum. Lightweight, rust-resistant and durable, Truaire A290 return air filter grille is the best of the best for residential return air applications. Each aluminum fixed blade is set at 60 degrees from face and 3/4 in apart. Finished in our pristine white powder-coat, this is a tough act to follow!.

TRUaire™ Fixed Bar Return Air Filter Grille, Series: A290 Series, 3/4 in Grille Spacing, 1.49 sq-ft Area, 1 in D Filter, Aluminum, Powder Coated, Pristine White, Surface Mounting, 20 in Width, 12 in Height

• #8 x 2 in long mounting hardware

• Catalog https://assets.unilogcorp.com/267/ITEM/DOC/TRUaire_A290RFALG_28X14_Catalog.pdf
• Full Engineering Drawing https://assets.unilogcorp.com/267/ITEM/DOC/TRUaire_A290RFALG_28X14_Full_Engineering_Drawing.pdf