Concealed fixing screws. Removable blades for easy installation and cleaning. Gravity-operated design saves energy by reducing drafts.
4/5/6 INCH Diameter - External Plastic Gravity Grille with Spigot Intake Wall
4 inch Diameter - External Plastic Gravity Grille with Spigot Intake Wall White
External Ventilation Cowled Grille with Damper 100mm/4"
Outside Air Vent Cover Ventilation External Wall Square Gravity Grille White
6 x External Ventilation Grille Cover Outlets for Extractor Fan 100 mm Black
External Ventilation Grille Cover Outlet for Extractor Fan 100 mm / 4 Inch Black
