Amazon.com: VENT COVER ADHESIVE Register Cover for Air Vents & Looks like a Vent Grille! An AC Vent Deflector that's Peel n Stick - Pure White Sheet - 8 inch X 15
PartsExtra Stainless Steel Air Vents, Louvered Grille Cover Vent Hood Flat Ducting Ventilation Air Vent Wall Air Outlet with Fly Screen M
GT Grille Mesh1 4"x4" - Air Vent Grilles - Mockett