150MM HOLE SIZE.
Airvent 404147 Round Ceiling Diffuser Vent Grille - Polished Chrome Effect
Round Ceiling Diffuser Vent Grille - Polished Chrome Effect Fan Grill 4" 100mm
Blauberg White Round Ceiling Mounted Vent Grille 6"/150mm - DPR 150
Blauberg White Round Ceiling Mounted Vent Grille 4" 100mm DPR 100
Ceiling Duct Vent 125mm METAL Round Air Diffuser Supply Extract White Pack Of 8
Adjustable Air Vent 100 125 150 200mm Ceiling Diffuser Grille Duct Vent White
