Innovative
Over-Toilet Sinks
from Sink Twice™
Over-toilet sinks designed to store the water you use for handwashing in the toilet tank so it can be used for flushing.
As seen on:
Sink Twice Products
Sink Twice Original
Sink Twice original is for smaller 15.25 - 16.8" toilet tanks (measured with the tank lid off).
Buy Sink Twice OriginalSink Twice Adaptable
Sink Twice Adaptable is adjustable for toilet tank sizes from 15.25" - 21" (measured with the tank lid off).
Buy Sink Twice AdaptableSink Again
Sink Again is for 1.6 GPF and 1.28 GPF tanks that are 17" - 19.5" wide in the back, but 14" - 17.5" in the front (measured with the tank lid off).
Buy Sink AgainCustomize your Sink Twice for a top button system
We can drill a hole in Sink Twice so it will function with your top button dual flush (must coordinate custom size and location of button hole). Contact us for your custom fit.