12x2 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening) LSD unobstructed wall or ceiling surface

unobstructed wall or ceiling surface around the opening for the face to sit flush

Aluminum won’t rust in humid rooms like bathrooms

QUIETER OPERATION THAN TRADITIONAL STEEL GRILLES: Traditional stamped steel return grilles use narrow slots that restrict airflow and can cause whistling or humming noise

Installs with the same hidden side screws used on walls

Finished in matte black powder coat

12x2 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening) LSD unobstructed wall or ceiling surfaceCHECK SIZE BEFORE PURCHASE: This 12x2 linear slot diffuser fits a 12" 2" duct opening (the hole in your wall, ceiling, or floor not your old cover face). See the full 12x2 sizing guide Fits a 12" 2" duct opening measure the hole, not your old cover face. Drop in surface mount replacement no drywall, flooring, or duct modification required. Modern minimalist slot design for contemporary interiors and cleaner visual lines. Solid alloy aluminum rust