10x4 White Slim Design Aluminum Linear Slot Diffuser (Duct Opening) ALSD Built for everyday residential use:

Built for everyday residential use: Durable aluminum construction

This 14x6 air return grille surface-mounts on walls and ceilings — no drywall work

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

slide the washable pre-filter into the filter pocket

Matte black is a strong visual choice against dark-stained hardwood

10x4 White Slim Design Aluminum Linear Slot Diffuser (Duct Opening) ALSD Built for everyday residential use:CHECK 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