14x2 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening) Return Air Vents It is especially useful in

It is especially useful in kitchens

10x4 white aluminum linear slot diffuser

This 10x6 linear slot diffuser can be installed on walls

The built-in mesh insert catches food crumbs and small objects before they reach your ductwork — especially useful in households with kids or pets

close completely to block air from unused rooms

14x2 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening) Return Air Vents It is especially useful inCHECK SIZE BEFORE PURCHASE: This 14x2 linear slot diffuser fits a 14" 2" duct opening (the hole in your wall, ceiling, or floor not your old cover face). See the full 14x2 sizing guide Fits a 14" 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