14x2 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening) Return Air Vents close completely to block air

close completely to block air from unused rooms

What size do I order — 12x8 or face size

10x4 white aluminum linear slot diffuser

This 4x10 floor return grille is a true surface-mount replacement

14x2 Black Premium Aluminum Linear Slot Diffuser – Modern Design (Duct Opening) Return Air Vents close completely to block airCHECK 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