PUSH TO OPEN 3 1/2″ drain with siphon 1-chamber Power Color pure carbon (GRANIT-vertical), save space, round button Mpn: 654 EN Variant Single-chamber Color Black Type PUSH TO OPEN Destiny Granite sink Also check: Drain cover BS (brushed steel) Plug drain 3 1/2″ with siphon 1-chamber PVD copper (STEEL-vertical), save space Plug drain 3 1/2″ with siphon 2-chamber Power Color pure carbon (GRANIT-vertical), save space <