Drain connector with finned seal spigot for internal connection to 4"/110mm cast iron, plastic or clay and 1½" universal vent boss with blanking cap. Should only be fitted on ground floor due to a reduction in the internal outlet diameter of the boss...

Polypropylene drain connector with 'O' seal socket. Finned seal spigot for internal connection to 110mm cast iron, plastic or clay. Ideal for low level connections. Polypropylene Construction Push-Fit Connection Captive Seal Joints

Polypropylene construction with sealing ring. Finned seal spigot for internal connection to 110mm/4" cast iron, plastic or clay. Ideal for low level connections. 1 x 50mm Inlet Polypropylene Construction Push-Fit Connection