PUSH TO OPEN 3 1/2″ drain with siphon 2-chamber copper (GRANIT-vertical) save space, round button copper Mpn: 659 EN Variant Two-chamber Color Copper Type PUSH TO OPEN Destiny Granite sink Also check: Drain cover BS (brushed steel) Plug drain 3 1/2″ with siphon 1-chamber stainless steel (STEEL-vertical), save space SQUARE plug drain with siphon 1-chamber PVD copper (GRANITE-vertical), save space <