10x4 White Slim Design Aluminum Linear Slot Diffuser (Duct Opening) ALSD Larger return openings like 14x6

Larger return openings like 14x6 are often used in central hallways

8x6 means a 8" × 6" duct opening—the hole in your wall

Contact Green Vent support before ordering and we will help you choose the right vent cover for your space

Built for everyday residential use: Durable aluminum construction

Overall face size: 15-15/16" × 7-15/16" (overlaps the opening on all four sides)

10x4 White Slim Design Aluminum Linear Slot Diffuser (Duct Opening) ALSD Larger return openings like 14x6CHECK SIZE BEFORE PURCHASE: This 10x4 slim linear slot diffuser fits a 10" 4" duct opening (measure the hole in your wall, ceiling, or floor not your old cover face). See the full 10x4 sizing guide Only 1 1 4" neck depth fits shallow ducts where standard models wont go. Drop in replacement for any 10" 4" duct opening no remodeling required. Modern minimalist slot design that blends with contemporary interiors. Solid alloy aluminum rust proof, dent