Destined to be a new design classic from Studio Bagno the Unit series exemplifies understated sophistication. Available in four convenient widths; 600, 800, 1000 and 1200 mm and with the benefit of a compact projection where space is a consideration without sacrificing practicality. And yes , Unit does have an overflow. Introducing a new high tech syphonic overflow which eliminates the need for an overflow hole in the basin wall . Recommended Plug & Waste: SBW003 and Not included. MADE IN ITALY.