90-112mm Inlet x 4"/110mm Outlet 90° Bend MACFIT WC Connector Size: 4"/110mm Material: EVA Please Note: Manufactured in EVA (a soft, durable, flexible plastic material) with synthetic rubber and moulded, finned seals. Incorporates a new 'Lock Ring' inlet seal (Patent Pending) to give a superior, tighter connection to the WC pan outlet.