6 Inch 150mm Internal Circular Grille Chrome

2150C Internal Extractor Fan Grille in Chrome - 6 inch / 150mm For use in the bathroom ceiling in conjunction with an inline fan and 6 inch ducting.

70-300mm Round Stainless Steel Vent Grille Exterior Wall Duct Ventilation Tool Exhaust Grille Cover Cooling Heating Vents Cap - AliExpress

Internal Grilles

Manrose 150mm Internal Circular Grille (Chrome) - 2150C – Air Con Centre

100mm or 4 Adjustable Air Valve

150mm-6 Chrome Extract Grille

Manrose 2150C Chrome 150mm Ceiling Grille

Manrose 150mm Internal Circular Grille - White - 2150W – Air Con Centre

Schluter®-KERDI-DRAIN, Drains

Blauberg UK 6 inch 150 mm White Circular Ceiling Mounted Air Vent Grille Cover Adjustable Round Ventilation Diffuser Valve for Extract and Supply Kitchen : : DIY & Tools

Qrity 304 Stainless Steel Round Ventilation Grill Screen Hood 150mm, Round Extractor Fan Vent Cover Grille Louvre, with Insect Mesh, Air Vent Grille Cover for Kitchen Bathroom : : DIY & Tools

Durable Round Air Vent Duct Grille 6 inch Tudor Mushroom Design for Home & Office

Manrose COMTK150A - wall - 150mm commercial fan kit - internal shutter

Stainless Steel Wall Ceiling Exterior Wall Air Vent Grille Round Ducting Ventilation Grilles Round Air Vents 70mm-160mm - AliExpress

Manrose 2150W 150mm 6Inch White Internal Circular Grille

Durable Round Air Vent Duct Grille 6 inch Tudor Mushroom Design for Home & Office