Airtech Fixed White Aluminium Weather Louvre Duct Extractor Fan Ventilation Wall Grille 400 X 400 mm with Bird Mesh

AirTech Aluminum Return Air Grille Fixed Louvre White Powder Coating with Steel Mesh (400 x 400 mm)

Rocky Mountain Goods 10 x 6 Inch Air Return Grille - Heavy Duty Steel with Premium Finish - Includes Screws - Louvered Design - Paintable Vent Cover - Matte White - Consistent Air Flow

EZ-FLO 10 x 6 Inch (Duct Opening) White Air Vent Cover for Wall or Ceiling, Three-Way Ventilation Register, 11-3/4 Inch x 7-3/4 Inch (Overall Dimensions), Solid Steel HVAC Cover, 61616