Prima Air-Returns (24 sizes) – The Door Store

These return-air registers are sized by the duct/opening size and have an approximate 1" surrounding border, which adds approximately 2" to the overall width and length.  They have countersunk holes and come with matching wood screws.  Louvers/dampers are not available for these cold air returns. Material: cast-aluminu

REGISTERS – The Door Store

Powrocket Linear Bar Air Grille 24 X 4, Aluminum Air Supply/Return Grilles,Easy Air Flow,Removable Grille/Door-HVAC Air Vent Cover,White[Outer Dimensions: 24.8w X 4.8h]

24w X 10h Steel Return Air Grilles - Sidewall and Ceiling - HVAC Duct Cover - White [Outer Dimensions: 25.75w X 11.75h]

Prima Decorative Cast Iron Air Return Grill 10 X 30

Shop for Handcrafted 4” x 24” Air Return Grilles - Prima Decorative Hardware

40w X 6h Steel Return Air Grilles - - HVAC Premium

Prima Decorative Hardware 3 x 24 Cast Aluminum Air Return Grille , The 3” x 24” Cast Aluminum Air Return Grille is a standard size and fits most air

Prima Decorative Hardware Linear Design 3” x 24” Cast Aluminum Air Return Grille [VR-109] - Black

The Prima Decorative Hardware Air return grills are elegant ,high-quality, made of durable rust-free cast aluminum, handcrafted, and finely finished.

Cast Aluminum Air Return Grill | Powder Coated Return Vent Covers For Duct | Air Vent Covers for Floors, Walls & Ceiling | Size 6 x 24 | Black

Shop for Handcrafted 4” x 24” Air Return Grilles - Prima Decorative Hardware

Prima Decorative Cast Iron Air Return Grill 12 X 24