DeerValley White Pop-Up Bathroom Sink Drain (Fit with DV-1V0064)DeerValley DV 1D911 Pop Up Bathroom Sink Drain(Fit with DV 1V0064) What's Included Pop Up Bathroom Sink Drain Overflow Not Included Sink Features On the right side of the sink, a concealed drainage design is employed, with the drain outlet positioned above the basin, effectively conserving cabinet space. The drainage system is equipped with an automatic overflow prevention feature, ensuring that water does not spill over into the entire bathroom,