LEDDownlightRc-P-HZ-Adapter-150-175 (Opple Item Code: 140060646) Adapter ring accessory for mounting luminaires that require a Ø139mm cut-out, in an existing Ø175mm cut-out. The ring has an outer diameter of Ø200mm. Type of accessory/spare part: Adapter; Colour: White; Material: Steel; Length: 200mm; Width: 200mm; Height: 0.8mm; Diameter: 200mm; Accessory: Yes;