1¾" (45mm) - ¾" (20mm) Push Fit Grey Straight Sink Waste Fitting

Grey straight waste fitting which requires a 1¾" (45mm) diameter hole in the sink/shower and has a ¾" (20mm) connector.
When used with 23.5mm Grey Convoluted Pipe, additional adaptors/sealing rings may be necessary and are NOT included. 
Black PVC ¾" (20mm) Convoluted Hose will fit directly onto this fitting, a suitable retaining clip will be required which is NOT included.